128601974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{42499}}^1$

素因数の和:42607

約数の個数: 16

約数和(自身を含む): 206550000

約数和(自身を除く): 77948026

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 42499, 84998, 722483, 1444966, 3782411, 7564822, 64300987, 128601974]

約数ペア:

[(1, 128601974), (2, 64300987), (17, 7564822), (34, 3782411), (89, 1444966), (178, 722483), (1513, 84998), (3026, 42499)]