66910571

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38699}}^1$

素因数の和:38738

約数の個数: 16

約数和(自身を含む): 86688000

約数和(自身を除く): 19777429

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 38699, 270893, 503087, 735281, 3521609, 5146967, 9558653, 66910571]

約数ペア:

[(1, 66910571), (7, 9558653), (13, 5146967), (19, 3521609), (91, 735281), (133, 503087), (247, 270893), (1729, 38699)]