289603295

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{23159}}^1$

素因数の和:23266

約数の個数: 16

約数和(自身を含む): 361851840

約数和(自身を除く): 72248545

約数列:

[1, 5, 41, 61, 205, 305, 2501, 12505, 23159, 115795, 949519, 1412699, 4747595, 7063495, 57920659, 289603295]

約数ペア:

[(1, 289603295), (5, 57920659), (41, 7063495), (61, 4747595), (205, 1412699), (305, 949519), (2501, 115795), (12505, 23159)]