278732924

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{20477}}^1$

素因数の和:20605

約数の個数: 24

約数和(自身を含む): 505724688

約数和(自身を除く): 226991764

約数列:

[1, 2, 4, 41, 82, 83, 164, 166, 332, 3403, 6806, 13612, 20477, 40954, 81908, 839557, 1679114, 1699591, 3358228, 3399182, 6798364, 69683231, 139366462, 278732924]

約数ペア:

[(1, 278732924), (2, 139366462), (4, 69683231), (41, 6798364), (82, 3399182), (83, 3358228), (164, 1699591), (166, 1679114), (332, 839557), (3403, 81908), (6806, 40954), (13612, 20477)]