80783899

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 97675200

約数和(自身を除く): 16891301

約数列:

[1, 7, 41, 49, 79, 287, 509, 553, 2009, 3239, 3563, 3871, 20869, 22673, 24941, 40211, 146083, 158711, 281477, 1022581, 1648651, 1970339, 11540557, 80783899]

約数ペア:

[(1, 80783899), (7, 11540557), (41, 1970339), (49, 1648651), (79, 1022581), (287, 281477), (509, 158711), (553, 146083), (2009, 40211), (3239, 24941), (3563, 22673), (3871, 20869)]