129431696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260951}}^1$

素因数の和:260990

約数の個数: 20

約数和(自身を含む): 258864384

約数和(自身を除く): 129432688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260951, 521902, 1043804, 2087608, 4175216, 8089481, 16178962, 32357924, 64715848, 129431696]

約数ペア:

[(1, 129431696), (2, 64715848), (4, 32357924), (8, 16178962), (16, 8089481), (31, 4175216), (62, 2087608), (124, 1043804), (248, 521902), (496, 260951)]