664161962639

素因数分解:

$7^1\times {\mathrm{421}}^1\times {\mathrm{613}}^1\times {\mathrm{367649}}^1$

素因数の和:368690

約数の個数: 16

約数和(自身を含む): 762088449600

約数和(自身を除く): 97926486961

約数列:

[1, 7, 421, 613, 2947, 4291, 258073, 367649, 1806511, 2573543, 154780229, 225368837, 1083461603, 1577581859, 94880280377, 664161962639]

約数ペア:

[(1, 664161962639), (7, 94880280377), (421, 1577581859), (613, 1083461603), (2947, 225368837), (4291, 154780229), (258073, 2573543), (367649, 1806511)]