28658916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 89893440

約数和(自身を除く): 61234524

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 33, 36, 38, 39, 44, 52, 57, 66, 76, 78, 99, 114, 117, 132, 143, 156, 171, 198, 209, 228, 234, 247, 286, 293, 342, 396, 418, 429, 468, 494, 572, 586, 627, 684, 741, 836, 858, 879, 988, 1172, 1254, 1287, 1482, 1716, 1758, 1881, 2223, 2508, 2574, 2637, 2717, 2964, 3223, 3516, 3762, 3809, 4446, 5148, 5274, 5434, 5567, 6446, 7524, 7618, 8151, 8892, 9669, 10548, 10868, 11134, 11427, 12892, 15236, 16302, 16701, 19338, 22268, 22854, 24453, 29007, 32604, 33402, 34281, 38676, 41899, 45708, 48906, 50103, 58014, 61237, 66804, 68562, 72371, 83798, 97812, 100206, 116028, 122474, 125697, 137124, 144742, 167596, 183711, 200412, 217113, 244948, 251394, 289484, 367422, 377091, 434226, 502788, 551133, 651339, 734844, 754182, 796081, 868452, 1102266, 1302678, 1508364, 1592162, 2204532, 2388243, 2605356, 3184324, 4776486, 7164729, 9552972, 14329458, 28658916]

約数ペア:

[(1, 28658916), (2, 14329458), (3, 9552972), (4, 7164729), (6, 4776486), (9, 3184324), (11, 2605356), (12, 2388243), (13, 2204532), (18, 1592162), (19, 1508364), (22, 1302678), (26, 1102266), (33, 868452), (36, 796081), (38, 754182), (39, 734844), (44, 651339), (52, 551133), (57, 502788), (66, 434226), (76, 377091), (78, 367422), (99, 289484), (114, 251394), (117, 244948), (132, 217113), (143, 200412), (156, 183711), (171, 167596), (198, 144742), (209, 137124), (228, 125697), (234, 122474), (247, 116028), (286, 100206), (293, 97812), (342, 83798), (396, 72371), (418, 68562), (429, 66804), (468, 61237), (494, 58014), (572, 50103), (586, 48906), (627, 45708), (684, 41899), (741, 38676), (836, 34281), (858, 33402), (879, 32604), (988, 29007), (1172, 24453), (1254, 22854), (1287, 22268), (1482, 19338), (1716, 16701), (1758, 16302), (1881, 15236), (2223, 12892), (2508, 11427), (2574, 11134), (2637, 10868), (2717, 10548), (2964, 9669), (3223, 8892), (3516, 8151), (3762, 7618), (3809, 7524), (4446, 6446), (5148, 5567), (5274, 5434)]