639386748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1665

約数の個数: 216

約数和(自身を含む): 2187835104

約数和(自身を除く): 1548448356

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 121, 126, 132, 143, 154, 156, 182, 198, 231, 234, 242, 252, 273, 286, 308, 363, 364, 396, 429, 462, 468, 484, 546, 572, 693, 726, 819, 847, 858, 924, 1001, 1089, 1092, 1287, 1386, 1452, 1573, 1613, 1638, 1694, 1716, 2002, 2178, 2541, 2574, 2772, 3003, 3146, 3226, 3276, 3388, 4004, 4356, 4719, 4839, 5082, 5148, 6006, 6292, 6452, 7623, 9009, 9438, 9678, 10164, 11011, 11291, 12012, 14157, 14517, 15246, 17743, 18018, 18876, 19356, 20969, 22022, 22582, 28314, 29034, 30492, 33033, 33873, 35486, 36036, 41938, 44044, 45164, 53229, 56628, 58068, 62907, 66066, 67746, 70972, 83876, 99099, 101619, 106458, 124201, 125814, 132132, 135492, 146783, 159687, 188721, 195173, 198198, 203238, 212916, 230659, 248402, 251628, 293566, 319374, 372603, 377442, 390346, 396396, 406476, 440349, 461318, 496804, 585519, 587132, 638748, 691977, 745206, 754884, 780692, 880698, 922636, 1117809, 1171038, 1321047, 1366211, 1383954, 1490412, 1614613, 1756557, 1761396, 2075931, 2235618, 2342076, 2537249, 2642094, 2732422, 2767908, 3229226, 3513114, 4098633, 4151862, 4471236, 4843839, 5074498, 5284188, 5464844, 6458452, 7026228, 7611747, 8197266, 8303724, 9687678, 10148996, 12295899, 14531517, 15223494, 16394532, 17760743, 19375356, 22835241, 24591798, 29063034, 30446988, 35521486, 45670482, 49183596, 53282229, 58126068, 71042972, 91340964, 106564458, 159846687, 213128916, 319693374, 639386748]

約数ペア:

[(1, 639386748), (2, 319693374), (3, 213128916), (4, 159846687), (6, 106564458), (7, 91340964), (9, 71042972), (11, 58126068), (12, 53282229), (13, 49183596), (14, 45670482), (18, 35521486), (21, 30446988), (22, 29063034), (26, 24591798), (28, 22835241), (33, 19375356), (36, 17760743), (39, 16394532), (42, 15223494), (44, 14531517), (52, 12295899), (63, 10148996), (66, 9687678), (77, 8303724), (78, 8197266), (84, 7611747), (91, 7026228), (99, 6458452), (117, 5464844), (121, 5284188), (126, 5074498), (132, 4843839), (143, 4471236), (154, 4151862), (156, 4098633), (182, 3513114), (198, 3229226), (231, 2767908), (234, 2732422), (242, 2642094), (252, 2537249), (273, 2342076), (286, 2235618), (308, 2075931), (363, 1761396), (364, 1756557), (396, 1614613), (429, 1490412), (462, 1383954), (468, 1366211), (484, 1321047), (546, 1171038), (572, 1117809), (693, 922636), (726, 880698), (819, 780692), (847, 754884), (858, 745206), (924, 691977), (1001, 638748), (1089, 587132), (1092, 585519), (1287, 496804), (1386, 461318), (1452, 440349), (1573, 406476), (1613, 396396), (1638, 390346), (1694, 377442), (1716, 372603), (2002, 319374), (2178, 293566), (2541, 251628), (2574, 248402), (2772, 230659), (3003, 212916), (3146, 203238), (3226, 198198), (3276, 195173), (3388, 188721), (4004, 159687), (4356, 146783), (4719, 135492), (4839, 132132), (5082, 125814), (5148, 124201), (6006, 106458), (6292, 101619), (6452, 99099), (7623, 83876), (9009, 70972), (9438, 67746), (9678, 66066), (10164, 62907), (11011, 58068), (11291, 56628), (12012, 53229), (14157, 45164), (14517, 44044), (15246, 41938), (17743, 36036), (18018, 35486), (18876, 33873), (19356, 33033), (20969, 30492), (22022, 29034), (22582, 28314)]