205907828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1571}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 428187648

約数和(自身を除く): 222279820

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 151, 217, 302, 434, 604, 868, 1057, 1571, 2114, 3142, 4228, 4681, 6284, 9362, 10997, 18724, 21994, 32767, 43988, 48701, 65534, 97402, 131068, 194804, 237221, 340907, 474442, 681814, 948884, 1363628, 1660547, 3321094, 6642188, 7353851, 14707702, 29415404, 51476957, 102953914, 205907828]

約数ペア:

[(1, 205907828), (2, 102953914), (4, 51476957), (7, 29415404), (14, 14707702), (28, 7353851), (31, 6642188), (62, 3321094), (124, 1660547), (151, 1363628), (217, 948884), (302, 681814), (434, 474442), (604, 340907), (868, 237221), (1057, 194804), (1571, 131068), (2114, 97402), (3142, 65534), (4228, 48701), (4681, 43988), (6284, 32767), (9362, 21994), (10997, 18724)]