28207010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3557}}^1$

素因数の和:3638

約数の個数: 32

約数和(自身を含む): 55590192

約数和(自身を除く): 27383182

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3557, 3965, 7114, 7930, 17785, 35570, 46241, 92482, 216977, 231205, 433954, 462410, 1084885, 2169770, 2820701, 5641402, 14103505, 28207010]

約数ペア:

[(1, 28207010), (2, 14103505), (5, 5641402), (10, 2820701), (13, 2169770), (26, 1084885), (61, 462410), (65, 433954), (122, 231205), (130, 216977), (305, 92482), (610, 46241), (793, 35570), (1586, 17785), (3557, 7930), (3965, 7114)]