40117231

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 51283584

約数和(自身を除く): 11166353

約数列:

[1, 7, 11, 49, 77, 263, 283, 539, 1841, 1981, 2893, 3113, 12887, 13867, 20251, 21791, 74429, 141757, 152537, 521003, 818719, 3647021, 5731033, 40117231]

約数ペア:

[(1, 40117231), (7, 5731033), (11, 3647021), (49, 818719), (77, 521003), (263, 152537), (283, 141757), (539, 74429), (1841, 21791), (1981, 20251), (2893, 13867), (3113, 12887)]