291213260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1120051}}^1$

素因数の和:1120073

約数の個数: 24

約数和(自身を含む): 658590576

約数和(自身を除く): 367377316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1120051, 2240102, 4480204, 5600255, 11200510, 14560663, 22401020, 29121326, 58242652, 72803315, 145606630, 291213260]

約数ペア:

[(1, 291213260), (2, 145606630), (4, 72803315), (5, 58242652), (10, 29121326), (13, 22401020), (20, 14560663), (26, 11200510), (52, 5600255), (65, 4480204), (130, 2240102), (260, 1120051)]