28543025

素因数分解:

$5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{773}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 40693824

約数和(自身を除く): 12150799

約数列:

[1, 5, 7, 25, 35, 175, 211, 773, 1055, 1477, 3865, 5275, 5411, 7385, 19325, 27055, 36925, 135275, 163103, 815515, 1141721, 4077575, 5708605, 28543025]

約数ペア:

[(1, 28543025), (5, 5708605), (7, 4077575), (25, 1141721), (35, 815515), (175, 163103), (211, 135275), (773, 36925), (1055, 27055), (1477, 19325), (3865, 7385), (5275, 5411)]