256661042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{77261}}^1$

素因数の和:77425

約数の個数: 16

約数和(自身を含む): 422777664

約数和(自身を除く): 166116622

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 77261, 154522, 849871, 1699742, 11666411, 23332822, 128330521, 256661042]

約数ペア:

[(1, 256661042), (2, 128330521), (11, 23332822), (22, 11666411), (151, 1699742), (302, 849871), (1661, 154522), (3322, 77261)]