290438252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2131}}^1\times {\mathrm{2621}}^1$

素因数の和:4769

約数の個数: 24

約数和(自身を含む): 547830192

約数和(自身を除く): 257391940

約数列:

[1, 2, 4, 13, 26, 52, 2131, 2621, 4262, 5242, 8524, 10484, 27703, 34073, 55406, 68146, 110812, 136292, 5585351, 11170702, 22341404, 72609563, 145219126, 290438252]

約数ペア:

[(1, 290438252), (2, 145219126), (4, 72609563), (13, 22341404), (26, 11170702), (52, 5585351), (2131, 136292), (2621, 110812), (4262, 68146), (5242, 55406), (8524, 34073), (10484, 27703)]