72700568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1307}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 144795600

約数和(自身を除く): 72095032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 409, 818, 1307, 1636, 2614, 3272, 5228, 6953, 10456, 13906, 22219, 27812, 44438, 55624, 88876, 177752, 534563, 1069126, 2138252, 4276504, 9087571, 18175142, 36350284, 72700568]

約数ペア:

[(1, 72700568), (2, 36350284), (4, 18175142), (8, 9087571), (17, 4276504), (34, 2138252), (68, 1069126), (136, 534563), (409, 177752), (818, 88876), (1307, 55624), (1636, 44438), (2614, 27812), (3272, 22219), (5228, 13906), (6953, 10456)]