2645621890

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{474977}}^1$

素因数の和:475541

約数の個数: 16

約数和(自身を含む): 4770679032

約数和(自身を除く): 2125057142

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 5570, 474977, 949954, 2374885, 4749770, 264562189, 529124378, 1322810945, 2645621890]

約数ペア:

[(1, 2645621890), (2, 1322810945), (5, 529124378), (10, 264562189), (557, 4749770), (1114, 2374885), (2785, 949954), (5570, 474977)]