1691990881

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{40823}}^1$

素因数の和:41052

約数の個数: 16

約数和(自身を含む): 2006581248

約数和(自身を除く): 314590367

約数列:

[1, 7, 31, 191, 217, 1337, 5921, 40823, 41447, 285761, 1265513, 7797193, 8858591, 54580351, 241712983, 1691990881]

約数ペア:

[(1, 1691990881), (7, 241712983), (31, 54580351), (191, 8858591), (217, 7797193), (1337, 1265513), (5921, 285761), (40823, 41447)]