16680755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 25081728

約数和(自身を除く): 8400973

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 601, 793, 2135, 3005, 3965, 4207, 5551, 7813, 21035, 27755, 36661, 39065, 54691, 183305, 256627, 273455, 476593, 1283135, 2382965, 3336151, 16680755]

約数ペア:

[(1, 16680755), (5, 3336151), (7, 2382965), (13, 1283135), (35, 476593), (61, 273455), (65, 256627), (91, 183305), (305, 54691), (427, 39065), (455, 36661), (601, 27755), (793, 21035), (2135, 7813), (3005, 5551), (3965, 4207)]