1997654312

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{1489}}^1\times {\mathrm{2503}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 3805579200

約数和(自身を除く): 1807924888

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 1489, 2503, 2978, 5006, 5956, 10012, 11912, 20024, 99763, 167701, 199526, 335402, 399052, 670804, 798104, 1341608, 3726967, 7453934, 14907868, 29815736, 249706789, 499413578, 998827156, 1997654312]

約数ペア:

[(1, 1997654312), (2, 998827156), (4, 499413578), (8, 249706789), (67, 29815736), (134, 14907868), (268, 7453934), (536, 3726967), (1489, 1341608), (2503, 798104), (2978, 670804), (5006, 399052), (5956, 335402), (10012, 199526), (11912, 167701), (20024, 99763)]