638411004

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 216

約数和(自身を含む): 2118434640

約数和(自身を除く): 1480023636

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 121, 126, 132, 147, 154, 189, 196, 198, 231, 242, 252, 294, 297, 308, 363, 378, 396, 441, 462, 484, 539, 588, 594, 693, 726, 756, 847, 882, 924, 997, 1078, 1089, 1188, 1323, 1386, 1452, 1617, 1694, 1764, 1994, 2079, 2156, 2178, 2541, 2646, 2772, 2991, 3234, 3267, 3388, 3988, 4158, 4356, 4851, 5082, 5292, 5929, 5982, 6468, 6534, 6979, 7623, 8316, 8973, 9702, 10164, 10967, 11858, 11964, 13068, 13958, 14553, 15246, 17787, 17946, 19404, 20937, 21934, 22869, 23716, 26919, 27916, 29106, 30492, 32901, 35574, 35892, 41874, 43868, 45738, 48853, 53361, 53838, 58212, 62811, 65802, 71148, 76769, 83748, 91476, 97706, 98703, 106722, 107676, 120637, 125622, 131604, 146559, 153538, 160083, 188433, 195412, 197406, 213444, 230307, 241274, 251244, 293118, 296109, 307076, 320166, 361911, 376866, 394812, 439677, 460614, 482548, 537383, 586236, 592218, 640332, 690921, 723822, 753732, 844459, 879354, 921228, 1074766, 1085733, 1184436, 1319031, 1381842, 1447644, 1612149, 1688918, 1758708, 2072763, 2149532, 2171466, 2533377, 2638062, 2763684, 3224298, 3257199, 3377836, 4145526, 4342932, 4836447, 5066754, 5276124, 5911213, 6448596, 6514398, 7600131, 8291052, 9672894, 10133508, 11822426, 13028796, 14509341, 15200262, 17733639, 19345788, 22800393, 23644852, 29018682, 30400524, 35467278, 45600786, 53200917, 58037364, 70934556, 91201572, 106401834, 159602751, 212803668, 319205502, 638411004]

約数ペア:

[(1, 638411004), (2, 319205502), (3, 212803668), (4, 159602751), (6, 106401834), (7, 91201572), (9, 70934556), (11, 58037364), (12, 53200917), (14, 45600786), (18, 35467278), (21, 30400524), (22, 29018682), (27, 23644852), (28, 22800393), (33, 19345788), (36, 17733639), (42, 15200262), (44, 14509341), (49, 13028796), (54, 11822426), (63, 10133508), (66, 9672894), (77, 8291052), (84, 7600131), (98, 6514398), (99, 6448596), (108, 5911213), (121, 5276124), (126, 5066754), (132, 4836447), (147, 4342932), (154, 4145526), (189, 3377836), (196, 3257199), (198, 3224298), (231, 2763684), (242, 2638062), (252, 2533377), (294, 2171466), (297, 2149532), (308, 2072763), (363, 1758708), (378, 1688918), (396, 1612149), (441, 1447644), (462, 1381842), (484, 1319031), (539, 1184436), (588, 1085733), (594, 1074766), (693, 921228), (726, 879354), (756, 844459), (847, 753732), (882, 723822), (924, 690921), (997, 640332), (1078, 592218), (1089, 586236), (1188, 537383), (1323, 482548), (1386, 460614), (1452, 439677), (1617, 394812), (1694, 376866), (1764, 361911), (1994, 320166), (2079, 307076), (2156, 296109), (2178, 293118), (2541, 251244), (2646, 241274), (2772, 230307), (2991, 213444), (3234, 197406), (3267, 195412), (3388, 188433), (3988, 160083), (4158, 153538), (4356, 146559), (4851, 131604), (5082, 125622), (5292, 120637), (5929, 107676), (5982, 106722), (6468, 98703), (6534, 97706), (6979, 91476), (7623, 83748), (8316, 76769), (8973, 71148), (9702, 65802), (10164, 62811), (10967, 58212), (11858, 53838), (11964, 53361), (13068, 48853), (13958, 45738), (14553, 43868), (15246, 41874), (17787, 35892), (17946, 35574), (19404, 32901), (20937, 30492), (21934, 29106), (22869, 27916), (23716, 26919)]