199914515

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 253889856

約数和(自身を除く): 53975341

約数列:

[1, 5, 37, 73, 113, 131, 185, 365, 565, 655, 2701, 4181, 4847, 8249, 9563, 13505, 14803, 20905, 24235, 41245, 47815, 74015, 305213, 353831, 547711, 1080619, 1526065, 1769155, 2738555, 5403095, 39982903, 199914515]

約数ペア:

[(1, 199914515), (5, 39982903), (37, 5403095), (73, 2738555), (113, 1769155), (131, 1526065), (185, 1080619), (365, 547711), (565, 353831), (655, 305213), (2701, 74015), (4181, 47815), (4847, 41245), (8249, 24235), (9563, 20905), (13505, 14803)]