128778538

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{60917}}^1$

素因数の和:61077

約数の個数: 16

約数和(自身を含む): 222228864

約数和(自身を除く): 93450326

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 60917, 121834, 426419, 852838, 9198467, 18396934, 64389269, 128778538]

約数ペア:

[(1, 128778538), (2, 64389269), (7, 18396934), (14, 9198467), (151, 852838), (302, 426419), (1057, 121834), (2114, 60917)]