81127372

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{2857}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 147244160

約数和(自身を除く): 66116788

約数列:

[1, 2, 4, 31, 62, 124, 229, 458, 916, 2857, 5714, 7099, 11428, 14198, 28396, 88567, 177134, 354268, 654253, 1308506, 2617012, 20281843, 40563686, 81127372]

約数ペア:

[(1, 81127372), (2, 40563686), (4, 20281843), (31, 2617012), (62, 1308506), (124, 654253), (229, 354268), (458, 177134), (916, 88567), (2857, 28396), (5714, 14198), (7099, 11428)]