209288723

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{1987}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 245812224

約数和(自身を除く): 36523501

約数列:

[1, 7, 41, 287, 367, 1987, 2569, 13909, 15047, 81467, 105329, 570269, 729229, 5104603, 29898389, 209288723]

約数ペア:

[(1, 209288723), (7, 29898389), (41, 5104603), (287, 729229), (367, 570269), (1987, 105329), (2569, 81467), (13909, 15047)]