664006978

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{15737}}^1$

素因数の和:15846

約数の個数: 24

約数和(自身を含む): 1072607652

約数和(自身を除く): 408600674

約数列:

[1, 2, 17, 34, 73, 146, 289, 578, 1241, 2482, 15737, 21097, 31474, 42194, 267529, 535058, 1148801, 2297602, 4547993, 9095986, 19529617, 39059234, 332003489, 664006978]

約数ペア:

[(1, 664006978), (2, 332003489), (17, 39059234), (34, 19529617), (73, 9095986), (146, 4547993), (289, 2297602), (578, 1148801), (1241, 535058), (2482, 267529), (15737, 42194), (21097, 31474)]