7851415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 11289600

約数和(自身を除く): 3438185

約数列:

[1, 5, 11, 13, 55, 65, 79, 139, 143, 395, 695, 715, 869, 1027, 1529, 1807, 4345, 5135, 7645, 9035, 10981, 11297, 19877, 54905, 56485, 99385, 120791, 142753, 603955, 713765, 1570283, 7851415]

約数ペア:

[(1, 7851415), (5, 1570283), (11, 713765), (13, 603955), (55, 142753), (65, 120791), (79, 99385), (139, 56485), (143, 54905), (395, 19877), (695, 11297), (715, 10981), (869, 9035), (1027, 7645), (1529, 5135), (1807, 4345)]