221566128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{659423}}^1$

素因数の和:659441

約数の個数: 40

約数和(自身を含む): 654148608

約数和(自身を除く): 432582480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 659423, 1318846, 1978269, 2637692, 3956538, 4615961, 5275384, 7913076, 9231922, 10550768, 13847883, 15826152, 18463844, 27695766, 31652304, 36927688, 55391532, 73855376, 110783064, 221566128]

約数ペア:

[(1, 221566128), (2, 110783064), (3, 73855376), (4, 55391532), (6, 36927688), (7, 31652304), (8, 27695766), (12, 18463844), (14, 15826152), (16, 13847883), (21, 10550768), (24, 9231922), (28, 7913076), (42, 5275384), (48, 4615961), (56, 3956538), (84, 2637692), (112, 1978269), (168, 1318846), (336, 659423)]