129426736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260941}}^1$

素因数の和:260980

約数の個数: 20

約数和(自身を含む): 258854464

約数和(自身を除く): 129427728

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260941, 521882, 1043764, 2087528, 4175056, 8089171, 16178342, 32356684, 64713368, 129426736]

約数ペア:

[(1, 129426736), (2, 64713368), (4, 32356684), (8, 16178342), (16, 8089171), (31, 4175056), (62, 2087528), (124, 1043764), (248, 521882), (496, 260941)]