81737864

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{60457}}^1$

素因数の和:60489

約数の個数: 24

約数和(自身を含む): 165957210

約数和(自身を除く): 84219346

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 60457, 120914, 241828, 483656, 785941, 1571882, 3143764, 6287528, 10217233, 20434466, 40868932, 81737864]

約数ペア:

[(1, 81737864), (2, 40868932), (4, 20434466), (8, 10217233), (13, 6287528), (26, 3143764), (52, 1571882), (104, 785941), (169, 483656), (338, 241828), (676, 120914), (1352, 60457)]