28221038

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1747}}^1$

素因数の和:1987

約数の個数: 16

約数和(自身を含む): 43609104

約数和(自身を除く): 15388066

約数列:

[1, 2, 41, 82, 197, 394, 1747, 3494, 8077, 16154, 71627, 143254, 344159, 688318, 14110519, 28221038]

約数ペア:

[(1, 28221038), (2, 14110519), (41, 688318), (82, 344159), (197, 143254), (394, 71627), (1747, 16154), (3494, 8077)]