664893372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20393}}^1$

素因数の和:20443

約数の個数: 96

約数和(自身を含む): 1918667520

約数和(自身を除く): 1253774148

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 114, 132, 143, 156, 209, 228, 247, 286, 418, 429, 494, 572, 627, 741, 836, 858, 988, 1254, 1482, 1716, 2508, 2717, 2964, 5434, 8151, 10868, 16302, 20393, 32604, 40786, 61179, 81572, 122358, 224323, 244716, 265109, 387467, 448646, 530218, 672969, 774934, 795327, 897292, 1060436, 1162401, 1345938, 1549868, 1590654, 2324802, 2691876, 2916199, 3181308, 4262137, 4649604, 5037071, 5832398, 8524274, 8748597, 10074142, 11664796, 12786411, 15111213, 17048548, 17497194, 20148284, 25572822, 30222426, 34994388, 51145644, 55407781, 60444852, 110815562, 166223343, 221631124, 332446686, 664893372]

約数ペア:

[(1, 664893372), (2, 332446686), (3, 221631124), (4, 166223343), (6, 110815562), (11, 60444852), (12, 55407781), (13, 51145644), (19, 34994388), (22, 30222426), (26, 25572822), (33, 20148284), (38, 17497194), (39, 17048548), (44, 15111213), (52, 12786411), (57, 11664796), (66, 10074142), (76, 8748597), (78, 8524274), (114, 5832398), (132, 5037071), (143, 4649604), (156, 4262137), (209, 3181308), (228, 2916199), (247, 2691876), (286, 2324802), (418, 1590654), (429, 1549868), (494, 1345938), (572, 1162401), (627, 1060436), (741, 897292), (836, 795327), (858, 774934), (988, 672969), (1254, 530218), (1482, 448646), (1716, 387467), (2508, 265109), (2717, 244716), (2964, 224323), (5434, 122358), (8151, 81572), (10868, 61179), (16302, 40786), (20393, 32604)]