279513808

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12541}}^1$

素因数の和:12755

約数の個数: 40

約数和(自身を含む): 622083200

約数和(自身を除く): 342569392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 11144, 12541, 22288, 25082, 50164, 87787, 100328, 175574, 200656, 351148, 702296, 1404592, 2495659, 4991318, 9982636, 17469613, 19965272, 34939226, 39930544, 69878452, 139756904, 279513808]

約数ペア:

[(1, 279513808), (2, 139756904), (4, 69878452), (7, 39930544), (8, 34939226), (14, 19965272), (16, 17469613), (28, 9982636), (56, 4991318), (112, 2495659), (199, 1404592), (398, 702296), (796, 351148), (1393, 200656), (1592, 175574), (2786, 100328), (3184, 87787), (5572, 50164), (11144, 25082), (12541, 22288)]