613808

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{227}}^1$

素因数の和:261

約数の個数: 30

約数和(自身を含む): 1293444

約数和(自身を除く): 679636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 227, 338, 454, 676, 908, 1352, 1816, 2704, 2951, 3632, 5902, 11804, 23608, 38363, 47216, 76726, 153452, 306904, 613808]

約数ペア:

[(1, 613808), (2, 306904), (4, 153452), (8, 76726), (13, 47216), (16, 38363), (26, 23608), (52, 11804), (104, 5902), (169, 3632), (208, 2951), (227, 2704), (338, 1816), (454, 1352), (676, 908)]