978020519

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2971}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 1214287872

約数和(自身を除く): 236267353

約数列:

[1, 7, 31, 37, 41, 217, 259, 287, 1147, 1271, 1517, 2971, 8029, 8897, 10619, 20797, 47027, 92101, 109927, 121811, 329189, 644707, 769489, 852677, 3407737, 3776141, 4507007, 23854159, 26432987, 31549049, 139717217, 978020519]

約数ペア:

[(1, 978020519), (7, 139717217), (31, 31549049), (37, 26432987), (41, 23854159), (217, 4507007), (259, 3776141), (287, 3407737), (1147, 852677), (1271, 769489), (1517, 644707), (2971, 329189), (8029, 121811), (8897, 109927), (10619, 92101), (20797, 47027)]