81325126

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{4951}}^1$

素因数の和:5187

約数の個数: 16

約数和(自身を含む): 125503488

約数和(自身を除く): 44178362

約数列:

[1, 2, 43, 86, 191, 382, 4951, 8213, 9902, 16426, 212893, 425786, 945641, 1891282, 40662563, 81325126]

約数ペア:

[(1, 81325126), (2, 40662563), (43, 1891282), (86, 945641), (191, 425786), (382, 212893), (4951, 16426), (8213, 9902)]