1290257906

素因数分解:

$2^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{57493}}^1$

素因数の和:57738

約数の個数: 24

約数和(自身を含む): 2261239020

約数和(自身を除く): 970981114

約数列:

[1, 2, 7, 14, 49, 98, 229, 458, 1603, 3206, 11221, 22442, 57493, 114986, 402451, 804902, 2817157, 5634314, 13165897, 26331794, 92161279, 184322558, 645128953, 1290257906]

約数ペア:

[(1, 1290257906), (2, 645128953), (7, 184322558), (14, 92161279), (49, 26331794), (98, 13165897), (229, 5634314), (458, 2817157), (1603, 804902), (3206, 402451), (11221, 114986), (22442, 57493)]