64139248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{129313}}^1$

素因数の和:129352

約数の個数: 20

約数和(自身を含む): 128279488

約数和(自身を除く): 64140240

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 129313, 258626, 517252, 1034504, 2069008, 4008703, 8017406, 16034812, 32069624, 64139248]

約数ペア:

[(1, 64139248), (2, 32069624), (4, 16034812), (8, 8017406), (16, 4008703), (31, 2069008), (62, 1034504), (124, 517252), (248, 258626), (496, 129313)]