280425431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 338257920

約数和(自身を除く): 57832489

約数列:

[1, 11, 13, 79, 103, 143, 241, 869, 1027, 1133, 1339, 2651, 3133, 8137, 11297, 14729, 19039, 24823, 34463, 89507, 105781, 209429, 247507, 273053, 322699, 1163591, 1961017, 2722577, 3549689, 21571187, 25493221, 280425431]

約数ペア:

[(1, 280425431), (11, 25493221), (13, 21571187), (79, 3549689), (103, 2722577), (143, 1961017), (241, 1163591), (869, 322699), (1027, 273053), (1133, 247507), (1339, 209429), (2651, 105781), (3133, 89507), (8137, 34463), (11297, 24823), (14729, 19039)]