81121272

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21529}}^1$

素因数の和:21695

約数の個数: 32

約数和(自身を含む): 204104400

約数和(自身を除く): 122983128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 21529, 43058, 64587, 86116, 129174, 172232, 258348, 516696, 3380053, 6760106, 10140159, 13520212, 20280318, 27040424, 40560636, 81121272]

約数ペア:

[(1, 81121272), (2, 40560636), (3, 27040424), (4, 20280318), (6, 13520212), (8, 10140159), (12, 6760106), (24, 3380053), (157, 516696), (314, 258348), (471, 172232), (628, 129174), (942, 86116), (1256, 64587), (1884, 43058), (3768, 21529)]