71712641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2373

約数の個数: 32

約数和(自身を含む): 99434496

約数和(自身を除く): 27721855

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2311, 2387, 2821, 4433, 16177, 25421, 30043, 31031, 71641, 177947, 210301, 330473, 501487, 788051, 931333, 2313311, 5516357, 6519331, 10244663, 71712641]

約数ペア:

[(1, 71712641), (7, 10244663), (11, 6519331), (13, 5516357), (31, 2313311), (77, 931333), (91, 788051), (143, 501487), (217, 330473), (341, 210301), (403, 177947), (1001, 71641), (2311, 31031), (2387, 30043), (2821, 25421), (4433, 16177)]