257411512

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 487965600

約数和(自身を除く): 230554088

約数列:

[1, 2, 4, 8, 151, 302, 409, 521, 604, 818, 1042, 1208, 1636, 2084, 3272, 4168, 61759, 78671, 123518, 157342, 213089, 247036, 314684, 426178, 494072, 629368, 852356, 1704712, 32176439, 64352878, 128705756, 257411512]

約数ペア:

[(1, 257411512), (2, 128705756), (4, 64352878), (8, 32176439), (151, 1704712), (302, 852356), (409, 629368), (521, 494072), (604, 426178), (818, 314684), (1042, 247036), (1208, 213089), (1636, 157342), (2084, 123518), (3272, 78671), (4168, 61759)]