199932155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 73783045

約数列:

[1, 5, 17, 19, 43, 85, 95, 215, 323, 731, 817, 1615, 2879, 3655, 4085, 13889, 14395, 48943, 54701, 69445, 123797, 244715, 273505, 618985, 929917, 2104549, 2352143, 4649585, 10522745, 11760715, 39986431, 199932155]

約数ペア:

[(1, 199932155), (5, 39986431), (17, 11760715), (19, 10522745), (43, 4649585), (85, 2352143), (95, 2104549), (215, 929917), (323, 618985), (731, 273505), (817, 244715), (1615, 123797), (2879, 69445), (3655, 54701), (4085, 48943), (13889, 14395)]