2120885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 2787456

約数和(自身を除く): 666571

約数列:

[1, 5, 13, 65, 67, 335, 487, 871, 2435, 4355, 6331, 31655, 32629, 163145, 424177, 2120885]

約数ペア:

[(1, 2120885), (5, 424177), (13, 163145), (65, 32629), (67, 31655), (335, 6331), (487, 4355), (871, 2435)]