28131736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3391}}^1$

素因数の和:3475

約数の個数: 32

約数和(自身を含む): 56782080

約数和(自身を除く): 28650344

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 3391, 4148, 6782, 8296, 13564, 27128, 57647, 115294, 206851, 230588, 413702, 461176, 827404, 1654808, 3516467, 7032934, 14065868, 28131736]

約数ペア:

[(1, 28131736), (2, 14065868), (4, 7032934), (8, 3516467), (17, 1654808), (34, 827404), (61, 461176), (68, 413702), (122, 230588), (136, 206851), (244, 115294), (488, 57647), (1037, 27128), (2074, 13564), (3391, 8296), (4148, 6782)]