645948226

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 1231865856

約数和(自身を除く): 585917630

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 193, 206, 211, 386, 422, 721, 1133, 1351, 1442, 1477, 2123, 2266, 2321, 2702, 2954, 4246, 4642, 7931, 14861, 15862, 16247, 19879, 21733, 29722, 32494, 39758, 40723, 43466, 81446, 139153, 152131, 218669, 239063, 278306, 285061, 304262, 437338, 447953, 478126, 570122, 895906, 1530683, 1673441, 3061366, 3135671, 3346882, 4194469, 6271342, 8388938, 29361283, 46139159, 58722566, 92278318, 322974113, 645948226]

約数ペア:

[(1, 645948226), (2, 322974113), (7, 92278318), (11, 58722566), (14, 46139159), (22, 29361283), (77, 8388938), (103, 6271342), (154, 4194469), (193, 3346882), (206, 3135671), (211, 3061366), (386, 1673441), (422, 1530683), (721, 895906), (1133, 570122), (1351, 478126), (1442, 447953), (1477, 437338), (2123, 304262), (2266, 285061), (2321, 278306), (2702, 239063), (2954, 218669), (4246, 152131), (4642, 139153), (7931, 81446), (14861, 43466), (15862, 40723), (16247, 39758), (19879, 32494), (21733, 29722)]