1557996890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{12323}}^1$

素因数の和:12646

約数の個数: 32

約数和(自身を含む): 2874942720

約数和(自身を除く): 1316945830

約数列:

[1, 2, 5, 10, 47, 94, 235, 269, 470, 538, 1345, 2690, 12323, 12643, 24646, 25286, 61615, 63215, 123230, 126430, 579181, 1158362, 2895905, 3314887, 5791810, 6629774, 16574435, 33148870, 155799689, 311599378, 778998445, 1557996890]

約数ペア:

[(1, 1557996890), (2, 778998445), (5, 311599378), (10, 155799689), (47, 33148870), (94, 16574435), (235, 6629774), (269, 5791810), (470, 3314887), (538, 2895905), (1345, 1158362), (2690, 579181), (12323, 126430), (12643, 123230), (24646, 63215), (25286, 61615)]