818139170

素因数分解:

$2^1\times 5^1\times {\mathrm{4157}}^1\times {\mathrm{19681}}^1$

素因数の和:23845

約数の個数: 16

約数和(自身を含む): 1473079608

約数和(自身を除く): 654940438

約数列:

[1, 2, 5, 10, 4157, 8314, 19681, 20785, 39362, 41570, 98405, 196810, 81813917, 163627834, 409069585, 818139170]

約数ペア:

[(1, 818139170), (2, 409069585), (5, 163627834), (10, 81813917), (4157, 196810), (8314, 98405), (19681, 41570), (20785, 39362)]