81379270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{11287}}^1$

素因数の和:11404

約数の個数: 32

約数和(自身を含む): 169049088

約数和(自身を除く): 87669818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 11287, 22574, 56435, 79009, 112870, 158018, 395045, 790090, 1162561, 2325122, 5812805, 8137927, 11625610, 16275854, 40689635, 81379270]

約数ペア:

[(1, 81379270), (2, 40689635), (5, 16275854), (7, 11625610), (10, 8137927), (14, 5812805), (35, 2325122), (70, 1162561), (103, 790090), (206, 395045), (515, 158018), (721, 112870), (1030, 79009), (1442, 56435), (3605, 22574), (7210, 11287)]