156732790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{256939}}^1$

素因数の和:257007

約数の個数: 16

約数和(自身を含む): 286745040

約数和(自身を除く): 130012250

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 256939, 513878, 1284695, 2569390, 15673279, 31346558, 78366395, 156732790]

約数ペア:

[(1, 156732790), (2, 78366395), (5, 31346558), (10, 15673279), (61, 2569390), (122, 1284695), (305, 513878), (610, 256939)]