12745789

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 15667200

約数和(自身を除く): 2921411

約数列:

[1, 7, 19, 47, 133, 329, 893, 2039, 6251, 14273, 38741, 95833, 271187, 670831, 1820827, 12745789]

約数ペア:

[(1, 12745789), (7, 1820827), (19, 670831), (47, 271187), (133, 95833), (329, 38741), (893, 14273), (2039, 6251)]