31981925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 42378240

約数和(自身を除く): 10396315

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 1423, 4495, 7115, 22475, 35575, 41267, 44113, 206335, 220565, 1031675, 1102825, 1279277, 6396385, 31981925]

約数ペア:

[(1, 31981925), (5, 6396385), (25, 1279277), (29, 1102825), (31, 1031675), (145, 220565), (155, 206335), (725, 44113), (775, 41267), (899, 35575), (1423, 22475), (4495, 7115)]