274743820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1056707}}^1$

素因数の和:1056729

約数の個数: 24

約数和(自身を含む): 621344304

約数和(自身を除く): 346600484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1056707, 2113414, 4226828, 5283535, 10567070, 13737191, 21134140, 27474382, 54948764, 68685955, 137371910, 274743820]

約数ペア:

[(1, 274743820), (2, 137371910), (4, 68685955), (5, 54948764), (10, 27474382), (13, 21134140), (20, 13737191), (26, 10567070), (52, 5283535), (65, 4226828), (130, 2113414), (260, 1056707)]