7980458511

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{638999}}^1$

素因数の和:639206

約数の個数: 16

約数和(自身を含む): 11164608000

約数和(自身を除く): 3184149489

約数列:

[1, 3, 23, 69, 181, 543, 4163, 12489, 638999, 1916997, 14696977, 44090931, 115658819, 346976457, 2660152837, 7980458511]

約数ペア:

[(1, 7980458511), (3, 2660152837), (23, 346976457), (69, 115658819), (181, 44090931), (543, 14696977), (4163, 1916997), (12489, 638999)]