643869889

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1097}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 733007232

約数和(自身を除く): 89137343

約数列:

[1, 13, 23, 151, 169, 299, 1097, 1963, 3473, 3887, 14261, 25231, 25519, 45149, 165647, 185393, 328003, 586937, 2153411, 3809881, 4264039, 27994343, 49528453, 643869889]

約数ペア:

[(1, 643869889), (13, 49528453), (23, 27994343), (151, 4264039), (169, 3809881), (299, 2153411), (1097, 586937), (1963, 328003), (3473, 185393), (3887, 165647), (14261, 45149), (25231, 25519)]