199419311

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 255295488

約数和(自身を除く): 55876177

約数列:

[1, 7, 13, 31, 91, 217, 223, 317, 403, 1561, 2219, 2821, 2899, 4121, 6913, 9827, 20293, 28847, 48391, 68789, 70691, 89869, 127751, 494837, 629083, 894257, 918983, 2191421, 6432881, 15339947, 28488473, 199419311]

約数ペア:

[(1, 199419311), (7, 28488473), (13, 15339947), (31, 6432881), (91, 2191421), (217, 918983), (223, 894257), (317, 629083), (403, 494837), (1561, 127751), (2219, 89869), (2821, 70691), (2899, 68789), (4121, 48391), (6913, 28847), (9827, 20293)]