486548140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1871339}}^1$

素因数の和:1871361

約数の個数: 24

約数和(自身を含む): 1100347920

約数和(自身を除く): 613799780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1871339, 3742678, 7485356, 9356695, 18713390, 24327407, 37426780, 48654814, 97309628, 121637035, 243274070, 486548140]

約数ペア:

[(1, 486548140), (2, 243274070), (4, 121637035), (5, 97309628), (10, 48654814), (13, 37426780), (20, 24327407), (26, 18713390), (52, 9356695), (65, 7485356), (130, 3742678), (260, 1871339)]