1025641036

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{990001}}^1$

素因数の和:990049

約数の個数: 24

約数和(自身を含む): 2106724256

約数和(自身を除く): 1081083220

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 990001, 1980002, 3960004, 6930007, 13860014, 27720028, 36630037, 73260074, 146520148, 256410259, 512820518, 1025641036]

約数ペア:

[(1, 1025641036), (2, 512820518), (4, 256410259), (7, 146520148), (14, 73260074), (28, 36630037), (37, 27720028), (74, 13860014), (148, 6930007), (259, 3960004), (518, 1980002), (1036, 990001)]