25861641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 41408640

約数和(自身を除く): 15546999

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 2053, 4199, 6159, 12597, 26689, 34901, 39007, 80067, 104703, 117021, 453713, 507091, 663119, 1361139, 1521273, 1989357, 8620547, 25861641]

約数ペア:

[(1, 25861641), (3, 8620547), (13, 1989357), (17, 1521273), (19, 1361139), (39, 663119), (51, 507091), (57, 453713), (221, 117021), (247, 104703), (323, 80067), (663, 39007), (741, 34901), (969, 26689), (2053, 12597), (4199, 6159)]