27900206

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{739}}^1$

素因数の和:1223

約数の個数: 16

約数和(自身を含む): 42979200

約数和(自身を除く): 15078994

約数列:

[1, 2, 43, 86, 439, 739, 878, 1478, 18877, 31777, 37754, 63554, 324421, 648842, 13950103, 27900206]

約数ペア:

[(1, 27900206), (2, 13950103), (43, 648842), (86, 324421), (439, 63554), (739, 37754), (878, 31777), (1478, 18877)]