31440565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 12800555

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 769, 1105, 2405, 3145, 3845, 8177, 9997, 13073, 28453, 40885, 49985, 65365, 142265, 169949, 369889, 483701, 849745, 1849445, 2418505, 6288113, 31440565]

約数ペア:

[(1, 31440565), (5, 6288113), (13, 2418505), (17, 1849445), (37, 849745), (65, 483701), (85, 369889), (185, 169949), (221, 142265), (481, 65365), (629, 49985), (769, 40885), (1105, 28453), (2405, 13073), (3145, 9997), (3845, 8177)]