168989828

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{20051}}^1$

素因数の和:20112

約数の個数: 36

約数和(自身を含む): 352032912

約数和(自身を除く): 183043084

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 20051, 40102, 80204, 140357, 280714, 561428, 862193, 982499, 1724386, 1964998, 3448772, 3929996, 6035351, 12070702, 24141404, 42247457, 84494914, 168989828]

約数ペア:

[(1, 168989828), (2, 84494914), (4, 42247457), (7, 24141404), (14, 12070702), (28, 6035351), (43, 3929996), (49, 3448772), (86, 1964998), (98, 1724386), (172, 982499), (196, 862193), (301, 561428), (602, 280714), (1204, 140357), (2107, 80204), (4214, 40102), (8428, 20051)]