221709726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{12659}}^1$

素因数の和:12813

約数の個数: 48

約数和(自身を含む): 552988800

約数和(自身を除く): 331279074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1251, 1946, 2502, 2919, 5838, 8757, 12659, 17514, 25318, 37977, 75954, 88613, 113931, 177226, 227862, 265839, 531678, 797517, 1595034, 1759601, 3519202, 5278803, 10557606, 12317207, 15836409, 24634414, 31672818, 36951621, 73903242, 110854863, 221709726]

約数ペア:

[(1, 221709726), (2, 110854863), (3, 73903242), (6, 36951621), (7, 31672818), (9, 24634414), (14, 15836409), (18, 12317207), (21, 10557606), (42, 5278803), (63, 3519202), (126, 1759601), (139, 1595034), (278, 797517), (417, 531678), (834, 265839), (973, 227862), (1251, 177226), (1946, 113931), (2502, 88613), (2919, 75954), (5838, 37977), (8757, 25318), (12659, 17514)]