89807090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{809}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 171635760

約数和(自身を除く): 81828670

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 653, 809, 1306, 1618, 3265, 4045, 6530, 8090, 11101, 13753, 22202, 27506, 55505, 68765, 111010, 137530, 528277, 1056554, 2641385, 5282770, 8980709, 17961418, 44903545, 89807090]

約数ペア:

[(1, 89807090), (2, 44903545), (5, 17961418), (10, 8980709), (17, 5282770), (34, 2641385), (85, 1056554), (170, 528277), (653, 137530), (809, 111010), (1306, 68765), (1618, 55505), (3265, 27506), (4045, 22202), (6530, 13753), (8090, 11101)]