259307839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 325529600

約数和(自身を除く): 66221761

約数列:

[1, 7, 19, 31, 109, 133, 217, 577, 589, 763, 2071, 3379, 4039, 4123, 10963, 14497, 17887, 23653, 62893, 64201, 76741, 125209, 339853, 440251, 449407, 1194967, 1949683, 2378971, 8364769, 13647781, 37043977, 259307839]

約数ペア:

[(1, 259307839), (7, 37043977), (19, 13647781), (31, 8364769), (109, 2378971), (133, 1949683), (217, 1194967), (577, 449407), (589, 440251), (763, 339853), (2071, 125209), (3379, 76741), (4039, 64201), (4123, 62893), (10963, 23653), (14497, 17887)]