31421156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:960

約数の個数: 36

約数和(自身を含む): 60734772

約数和(自身を除く): 29313616

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 676, 689, 877, 1378, 1754, 2756, 3508, 8957, 11401, 17914, 22802, 35828, 45604, 46481, 92962, 148213, 185924, 296426, 592852, 604253, 1208506, 2417012, 7855289, 15710578, 31421156]

約数ペア:

[(1, 31421156), (2, 15710578), (4, 7855289), (13, 2417012), (26, 1208506), (52, 604253), (53, 592852), (106, 296426), (169, 185924), (212, 148213), (338, 92962), (676, 46481), (689, 45604), (877, 35828), (1378, 22802), (1754, 17914), (2756, 11401), (3508, 8957)]