66518416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{244553}}^1$

素因数の和:244578

約数の個数: 20

約数和(自身を含む): 136461132

約数和(自身を除く): 69942716

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 244553, 489106, 978212, 1956424, 3912848, 4157401, 8314802, 16629604, 33259208, 66518416]

約数ペア:

[(1, 66518416), (2, 33259208), (4, 16629604), (8, 8314802), (16, 4157401), (17, 3912848), (34, 1956424), (68, 978212), (136, 489106), (272, 244553)]