56891305

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 72345672

約数和(自身を除く): 15454367

約数列:

[1, 5, 23, 115, 137, 157, 529, 685, 785, 2645, 3151, 3611, 15755, 18055, 21509, 72473, 83053, 107545, 362365, 415265, 494707, 2473535, 11378261, 56891305]

約数ペア:

[(1, 56891305), (5, 11378261), (23, 2473535), (115, 494707), (137, 415265), (157, 362365), (529, 107545), (685, 83053), (785, 72473), (2645, 21509), (3151, 18055), (3611, 15755)]