28208868

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 67568256

約数和(自身を除く): 39359388

約数列:

[1, 2, 3, 4, 6, 12, 71, 113, 142, 213, 226, 284, 293, 339, 426, 452, 586, 678, 852, 879, 1172, 1356, 1758, 3516, 8023, 16046, 20803, 24069, 32092, 33109, 41606, 48138, 62409, 66218, 83212, 96276, 99327, 124818, 132436, 198654, 249636, 397308, 2350739, 4701478, 7052217, 9402956, 14104434, 28208868]

約数ペア:

[(1, 28208868), (2, 14104434), (3, 9402956), (4, 7052217), (6, 4701478), (12, 2350739), (71, 397308), (113, 249636), (142, 198654), (213, 132436), (226, 124818), (284, 99327), (293, 96276), (339, 83212), (426, 66218), (452, 62409), (586, 48138), (678, 41606), (852, 33109), (879, 32092), (1172, 24069), (1356, 20803), (1758, 16046), (3516, 8023)]