211268759

素因数分解:

${\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 236377440

約数和(自身を除く): 25108681

約数列:

[1, 13, 53, 103, 169, 229, 689, 1339, 2977, 5459, 8957, 12137, 17407, 23587, 38701, 70967, 157781, 306631, 922571, 1250111, 2051153, 3986203, 16251443, 211268759]

約数ペア:

[(1, 211268759), (13, 16251443), (53, 3986203), (103, 2051153), (169, 1250111), (229, 922571), (689, 306631), (1339, 157781), (2977, 70967), (5459, 38701), (8957, 23587), (12137, 17407)]