78728425

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{5953}}^1$

素因数の和:6009

約数の個数: 18

約数和(自身を含む): 102069422

約数和(自身を除く): 23340997

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 5953, 13225, 29765, 136919, 148825, 684595, 3149137, 3422975, 15745685, 78728425]

約数ペア:

[(1, 78728425), (5, 15745685), (23, 3422975), (25, 3149137), (115, 684595), (529, 148825), (575, 136919), (2645, 29765), (5953, 13225)]