31115830

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19819}}^1$

素因数の和:19983

約数の個数: 16

約数和(自身を含む): 56368080

約数和(自身を除く): 25252250

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 19819, 39638, 99095, 198190, 3111583, 6223166, 15557915, 31115830]

約数ペア:

[(1, 31115830), (2, 15557915), (5, 6223166), (10, 3111583), (157, 198190), (314, 99095), (785, 39638), (1570, 19819)]