2045707205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 2586974208

約数和(自身を除く): 541267003

約数列:

[1, 5, 31, 97, 103, 155, 485, 515, 1321, 3007, 3193, 6605, 9991, 15035, 15965, 40951, 49955, 128137, 136063, 204755, 309721, 640685, 680315, 1548605, 3972247, 4217953, 13198111, 19861235, 21089765, 65990555, 409141441, 2045707205]

約数ペア:

[(1, 2045707205), (5, 409141441), (31, 65990555), (97, 21089765), (103, 19861235), (155, 13198111), (485, 4217953), (515, 3972247), (1321, 1548605), (3007, 680315), (3193, 640685), (6605, 309721), (9991, 204755), (15035, 136063), (15965, 128137), (40951, 49955)]