221472797

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 302601600

約数和(自身を除く): 81128803

約数列:

[1, 7, 13, 19, 29, 49, 91, 133, 203, 247, 377, 551, 631, 637, 931, 1421, 1729, 2639, 3857, 4417, 7163, 8203, 11989, 12103, 18299, 18473, 26999, 30919, 50141, 57421, 83923, 128093, 155857, 237887, 347681, 350987, 401947, 587461, 896651, 1090999, 1665209, 2433767, 4519853, 7636993, 11656463, 17036369, 31638971, 221472797]

約数ペア:

[(1, 221472797), (7, 31638971), (13, 17036369), (19, 11656463), (29, 7636993), (49, 4519853), (91, 2433767), (133, 1665209), (203, 1090999), (247, 896651), (377, 587461), (551, 401947), (631, 350987), (637, 347681), (931, 237887), (1421, 155857), (1729, 128093), (2639, 83923), (3857, 57421), (4417, 50141), (7163, 30919), (8203, 26999), (11989, 18473), (12103, 18299)]