66289904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{133649}}^1$

素因数の和:133688

約数の個数: 20

約数和(自身を含む): 132580800

約数和(自身を除く): 66290896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 133649, 267298, 534596, 1069192, 2138384, 4143119, 8286238, 16572476, 33144952, 66289904]

約数ペア:

[(1, 66289904), (2, 33144952), (4, 16572476), (8, 8286238), (16, 4143119), (31, 2138384), (62, 1069192), (124, 534596), (248, 267298), (496, 133649)]