157217996

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{232571}}^1$

素因数の和:232601

約数の個数: 18

約数和(自身を含む): 297924732

約数和(自身を除く): 140706736

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 232571, 465142, 930284, 3023423, 6046846, 12093692, 39304499, 78608998, 157217996]

約数ペア:

[(1, 157217996), (2, 78608998), (4, 39304499), (13, 12093692), (26, 6046846), (52, 3023423), (169, 930284), (338, 465142), (676, 232571)]