81796676

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{121001}}^1$

素因数の和:121031

約数の個数: 18

約数和(自身を含む): 155003562

約数和(自身を除く): 73206886

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 121001, 242002, 484004, 1573013, 3146026, 6292052, 20449169, 40898338, 81796676]

約数ペア:

[(1, 81796676), (2, 40898338), (4, 20449169), (13, 6292052), (26, 3146026), (52, 1573013), (169, 484004), (338, 242002), (676, 121001)]