64661090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{38261}}^1$

素因数の和:38294

約数の個数: 24

約数和(自身を含む): 126035028

約数和(自身を除く): 61373938

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 38261, 76522, 191305, 382610, 497393, 994786, 2486965, 4973930, 6466109, 12932218, 32330545, 64661090]

約数ペア:

[(1, 64661090), (2, 32330545), (5, 12932218), (10, 6466109), (13, 4973930), (26, 2486965), (65, 994786), (130, 497393), (169, 382610), (338, 191305), (845, 76522), (1690, 38261)]