640966704748

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{36180103}}^1$

素因数の和:36180253

約数の個数: 24

約数和(自身を含む): 1158921091328

約数和(自身を除く): 517954386580

約数列:

[1, 2, 4, 43, 86, 103, 172, 206, 412, 4429, 8858, 17716, 36180103, 72360206, 144720412, 1555744429, 3111488858, 3726550609, 6222977716, 7453101218, 14906202436, 160241676187, 320483352374, 640966704748]

約数ペア:

[(1, 640966704748), (2, 320483352374), (4, 160241676187), (43, 14906202436), (86, 7453101218), (103, 6222977716), (172, 3726550609), (206, 3111488858), (412, 1555744429), (4429, 144720412), (8858, 72360206), (17716, 36180103)]