30831725

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 39461760

約数和(自身を除く): 8630035

約数列:

[1, 5, 25, 67, 79, 233, 335, 395, 1165, 1675, 1975, 5293, 5825, 15611, 18407, 26465, 78055, 92035, 132325, 390275, 460175, 1233269, 6166345, 30831725]

約数ペア:

[(1, 30831725), (5, 6166345), (25, 1233269), (67, 460175), (79, 390275), (233, 132325), (335, 92035), (395, 78055), (1165, 26465), (1675, 18407), (1975, 15611), (5293, 5825)]