199190005

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 286272000

約数和(自身を除く): 87081995

約数列:

[1, 5, 7, 23, 35, 115, 161, 349, 709, 805, 1745, 2443, 3545, 4963, 8027, 12215, 16307, 24815, 40135, 56189, 81535, 114149, 247441, 280945, 570745, 1237205, 1732087, 5691143, 8660435, 28455715, 39838001, 199190005]

約数ペア:

[(1, 199190005), (5, 39838001), (7, 28455715), (23, 8660435), (35, 5691143), (115, 1732087), (161, 1237205), (349, 570745), (709, 280945), (805, 247441), (1745, 114149), (2443, 81535), (3545, 56189), (4963, 40135), (8027, 24815), (12215, 16307)]