31428025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 40979520

約数和(自身を除く): 9551495

約数列:

[1, 5, 25, 29, 67, 145, 335, 647, 725, 1675, 1943, 3235, 9715, 16175, 18763, 43349, 48575, 93815, 216745, 469075, 1083725, 1257121, 6285605, 31428025]

約数ペア:

[(1, 31428025), (5, 6285605), (25, 1257121), (29, 1083725), (67, 469075), (145, 216745), (335, 93815), (647, 48575), (725, 43349), (1675, 18763), (1943, 16175), (3235, 9715)]