64261808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{308951}}^1$

素因数の和:308972

約数の個数: 20

約数和(自身を含む): 134085168

約数和(自身を除く): 69823360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 308951, 617902, 1235804, 2471608, 4016363, 4943216, 8032726, 16065452, 32130904, 64261808]

約数ペア:

[(1, 64261808), (2, 32130904), (4, 16065452), (8, 8032726), (13, 4943216), (16, 4016363), (26, 2471608), (52, 1235804), (104, 617902), (208, 308951)]