2820455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2734

約数の個数: 16

約数和(自身を含む): 3888000

約数和(自身を除く): 1067545

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 2699, 13495, 29689, 51281, 148445, 256405, 564091, 2820455]

約数ペア:

[(1, 2820455), (5, 564091), (11, 256405), (19, 148445), (55, 51281), (95, 29689), (209, 13495), (1045, 2699)]