66801770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13441}}^1$

素因数の和:13526

約数の個数: 32

約数和(自身を含む): 139366656

約数和(自身を除く): 72564886

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 13441, 26882, 67205, 94087, 134410, 188174, 470435, 940870, 954311, 1908622, 4771555, 6680177, 9543110, 13360354, 33400885, 66801770]

約数ペア:

[(1, 66801770), (2, 33400885), (5, 13360354), (7, 9543110), (10, 6680177), (14, 4771555), (35, 1908622), (70, 954311), (71, 940870), (142, 470435), (355, 188174), (497, 134410), (710, 94087), (994, 67205), (2485, 26882), (4970, 13441)]