129491216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{261071}}^1$

素因数の和:261110

約数の個数: 20

約数和(自身を含む): 258983424

約数和(自身を除く): 129492208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 261071, 522142, 1044284, 2088568, 4177136, 8093201, 16186402, 32372804, 64745608, 129491216]

約数ペア:

[(1, 129491216), (2, 64745608), (4, 32372804), (8, 16186402), (16, 8093201), (31, 4177136), (62, 2088568), (124, 1044284), (248, 522142), (496, 261071)]