408420985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2791}}^1$

素因数の和:2953

約数の個数: 32

約数和(自身を含む): 580557312

約数和(自身を除く): 172136327

約数列:

[1, 5, 7, 35, 37, 113, 185, 259, 565, 791, 1295, 2791, 3955, 4181, 13955, 19537, 20905, 29267, 97685, 103267, 146335, 315383, 516335, 722869, 1576915, 2207681, 3614345, 11038405, 11669171, 58345855, 81684197, 408420985]

約数ペア:

[(1, 408420985), (5, 81684197), (7, 58345855), (35, 11669171), (37, 11038405), (113, 3614345), (185, 2207681), (259, 1576915), (565, 722869), (791, 516335), (1295, 315383), (2791, 146335), (3955, 103267), (4181, 97685), (13955, 29267), (19537, 20905)]