129631088

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{261353}}^1$

素因数の和:261392

約数の個数: 20

約数和(自身を含む): 259263168

約数和(自身を除く): 129632080

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 261353, 522706, 1045412, 2090824, 4181648, 8101943, 16203886, 32407772, 64815544, 129631088]

約数ペア:

[(1, 129631088), (2, 64815544), (4, 32407772), (8, 16203886), (16, 8101943), (31, 4181648), (62, 2090824), (124, 1045412), (248, 522706), (496, 261353)]