290052412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{40129}}^1$

素因数の和:40285

約数の個数: 24

約数和(自身を含む): 550583600

約数和(自身を除く): 260531188

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 40129, 80258, 160516, 521677, 1043354, 2086708, 5577931, 11155862, 22311724, 72513103, 145026206, 290052412]

約数ペア:

[(1, 290052412), (2, 145026206), (4, 72513103), (13, 22311724), (26, 11155862), (52, 5577931), (139, 2086708), (278, 1043354), (556, 521677), (1807, 160516), (3614, 80258), (7228, 40129)]