645200846

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 1008352800

約数和(自身を除く): 363151954

約数列:

[1, 2, 41, 82, 113, 179, 226, 358, 389, 778, 4633, 7339, 9266, 14678, 15949, 20227, 31898, 40454, 43957, 69631, 87914, 139262, 829307, 1658614, 1802237, 2854871, 3604474, 5709742, 7868303, 15736606, 322600423, 645200846]

約数ペア:

[(1, 645200846), (2, 322600423), (41, 15736606), (82, 7868303), (113, 5709742), (179, 3604474), (226, 2854871), (358, 1802237), (389, 1658614), (778, 829307), (4633, 139262), (7339, 87914), (9266, 69631), (14678, 43957), (15949, 40454), (20227, 31898)]