81940408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54773}}^1$

素因数の和:54807

約数の個数: 32

約数和(自身を含む): 177467760

約数和(自身を除く): 95527352

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 54773, 109546, 219092, 438184, 602503, 931141, 1205006, 1862282, 2410012, 3724564, 4820024, 7449128, 10242551, 20485102, 40970204, 81940408]

約数ペア:

[(1, 81940408), (2, 40970204), (4, 20485102), (8, 10242551), (11, 7449128), (17, 4820024), (22, 3724564), (34, 2410012), (44, 1862282), (68, 1205006), (88, 931141), (136, 602503), (187, 438184), (374, 219092), (748, 109546), (1496, 54773)]