81039688

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2143}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 158227200

約数和(自身を除く): 77187512

約数列:

[1, 2, 4, 8, 29, 58, 116, 163, 232, 326, 652, 1304, 2143, 4286, 4727, 8572, 9454, 17144, 18908, 37816, 62147, 124294, 248588, 349309, 497176, 698618, 1397236, 2794472, 10129961, 20259922, 40519844, 81039688]

約数ペア:

[(1, 81039688), (2, 40519844), (4, 20259922), (8, 10129961), (29, 2794472), (58, 1397236), (116, 698618), (163, 497176), (232, 349309), (326, 248588), (652, 124294), (1304, 62147), (2143, 37816), (4286, 18908), (4727, 17144), (8572, 9454)]