80511221

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1993}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 95712000

約数和(自身を除く): 15200779

約数列:

[1, 7, 29, 199, 203, 1393, 1993, 5771, 13951, 40397, 57797, 396607, 404579, 2776249, 11501603, 80511221]

約数ペア:

[(1, 80511221), (7, 11501603), (29, 2776249), (199, 404579), (203, 396607), (1393, 57797), (1993, 40397), (5771, 13951)]