220973868

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{86453}}^1$

素因数の和:86534

約数の個数: 36

約数和(自身を含む): 566446608

約数和(自身を除く): 345472740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 86453, 172906, 259359, 345812, 518718, 778077, 1037436, 1556154, 3112308, 6138163, 12276326, 18414489, 24552652, 36828978, 55243467, 73657956, 110486934, 220973868]

約数ペア:

[(1, 220973868), (2, 110486934), (3, 73657956), (4, 55243467), (6, 36828978), (9, 24552652), (12, 18414489), (18, 12276326), (36, 6138163), (71, 3112308), (142, 1556154), (213, 1037436), (284, 778077), (426, 518718), (639, 345812), (852, 259359), (1278, 172906), (2556, 86453)]