427778975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1627}}^1$

素因数の和:2459

約数の個数: 24

約数和(自身を含む): 572307120

約数和(自身を除く): 144528145

約数列:

[1, 5, 13, 25, 65, 325, 809, 1627, 4045, 8135, 10517, 20225, 21151, 40675, 52585, 105755, 262925, 528775, 1316243, 6581215, 17111159, 32906075, 85555795, 427778975]

約数ペア:

[(1, 427778975), (5, 85555795), (13, 32906075), (25, 17111159), (65, 6581215), (325, 1316243), (809, 528775), (1627, 262925), (4045, 105755), (8135, 52585), (10517, 40675), (20225, 21151)]