129726064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{623683}}^1$

素因数の和:623704

約数の個数: 20

約数和(自身を含む): 270678856

約数和(自身を除く): 140952792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 623683, 1247366, 2494732, 4989464, 8107879, 9978928, 16215758, 32431516, 64863032, 129726064]

約数ペア:

[(1, 129726064), (2, 64863032), (4, 32431516), (8, 16215758), (13, 9978928), (16, 8107879), (26, 4989464), (52, 2494732), (104, 1247366), (208, 623683)]