199969136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{304831}}^1$

素因数の和:304880

約数の個数: 20

約数和(自身を含む): 396891264

約数和(自身を除く): 196922128

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 304831, 609662, 1219324, 2438648, 4877296, 12498071, 24996142, 49992284, 99984568, 199969136]

約数ペア:

[(1, 199969136), (2, 99984568), (4, 49992284), (8, 24996142), (16, 12498071), (41, 4877296), (82, 2438648), (164, 1219324), (328, 609662), (656, 304831)]