31860190

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22921}}^1$

素因数の和:23067

約数の個数: 16

約数和(自身を含む): 57763440

約数和(自身を除く): 25903250

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 22921, 45842, 114605, 229210, 3186019, 6372038, 15930095, 31860190]

約数ペア:

[(1, 31860190), (2, 15930095), (5, 6372038), (10, 3186019), (139, 229210), (278, 114605), (695, 45842), (1390, 22921)]