1980784253

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1\times {\mathrm{3793}}^1$

素因数の和:5084

約数の個数: 16

約数和(自身を含む): 2303352576

約数和(自身を除く): 322568323

約数列:

[1, 7, 61, 427, 1223, 3793, 8561, 26551, 74603, 231373, 522221, 1619611, 4638839, 32471873, 282969179, 1980784253]

約数ペア:

[(1, 1980784253), (7, 282969179), (61, 32471873), (427, 4638839), (1223, 1619611), (3793, 522221), (8561, 231373), (26551, 74603)]