51274990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2879}}^1$

素因数の和:3036

約数の個数: 32

約数和(自身を含む): 100154880

約数和(自身を除く): 48879890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1781, 2879, 3562, 5758, 8905, 14395, 17810, 28790, 37427, 74854, 187135, 374270, 394423, 788846, 1972115, 3944230, 5127499, 10254998, 25637495, 51274990]

約数ペア:

[(1, 51274990), (2, 25637495), (5, 10254998), (10, 5127499), (13, 3944230), (26, 1972115), (65, 788846), (130, 394423), (137, 374270), (274, 187135), (685, 74854), (1370, 37427), (1781, 28790), (2879, 17810), (3562, 14395), (5758, 8905)]