28662025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7121}}^1$

素因数の和:7161

約数の個数: 24

約数和(自身を含む): 42390144

約数和(自身を除く): 13728119

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 7121, 35605, 49847, 163783, 178025, 249235, 818915, 1146481, 1246175, 4094575, 5732405, 28662025]

約数ペア:

[(1, 28662025), (5, 5732405), (7, 4094575), (23, 1246175), (25, 1146481), (35, 818915), (115, 249235), (161, 178025), (175, 163783), (575, 49847), (805, 35605), (4025, 7121)]