199541375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{145121}}^1$

素因数の和:145147

約数の個数: 16

約数和(自身を含む): 271668384

約数和(自身を除く): 72127009

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 145121, 725605, 1596331, 3628025, 7981655, 18140125, 39908275, 199541375]

約数ペア:

[(1, 199541375), (5, 39908275), (11, 18140125), (25, 7981655), (55, 3628025), (125, 1596331), (275, 725605), (1375, 145121)]