8491385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^2$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 12367680

約数和(自身を除く): 3876295

約数列:

[1, 5, 7, 19, 35, 95, 113, 133, 565, 665, 791, 2147, 3955, 10735, 12769, 15029, 63845, 75145, 89383, 242611, 446915, 1213055, 1698277, 8491385]

約数ペア:

[(1, 8491385), (5, 1698277), (7, 1213055), (19, 446915), (35, 242611), (95, 89383), (113, 75145), (133, 63845), (565, 15029), (665, 12769), (791, 10735), (2147, 3955)]