31257785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 42632352

約数和(自身を除く): 11374567

約数列:

[1, 5, 13, 37, 41, 65, 185, 205, 317, 481, 533, 1517, 1585, 2405, 2665, 4121, 7585, 11729, 12997, 19721, 20605, 58645, 64985, 98605, 152477, 168961, 480889, 762385, 844805, 2404445, 6251557, 31257785]

約数ペア:

[(1, 31257785), (5, 6251557), (13, 2404445), (37, 844805), (41, 762385), (65, 480889), (185, 168961), (205, 152477), (317, 98605), (481, 64985), (533, 58645), (1517, 20605), (1585, 19721), (2405, 12997), (2665, 11729), (4121, 7585)]