251197916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{85909}}^1$

素因数の和:85973

約数の個数: 24

約数和(自身を含む): 476285040

約数和(自身を除く): 225087124

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 85909, 171818, 343636, 1460453, 2920906, 3694087, 5841812, 7388174, 14776348, 62799479, 125598958, 251197916]

約数ペア:

[(1, 251197916), (2, 125598958), (4, 62799479), (17, 14776348), (34, 7388174), (43, 5841812), (68, 3694087), (86, 2920906), (172, 1460453), (731, 343636), (1462, 171818), (2924, 85909)]