81280019

素因数分解:

${\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 85662720

約数和(自身を除く): 4382701

約数列:

[1, 43, 71, 79, 337, 3053, 3397, 5609, 14491, 23927, 26623, 241187, 1028861, 1144789, 1890233, 81280019]

約数ペア:

[(1, 81280019), (43, 1890233), (71, 1144789), (79, 1028861), (337, 241187), (3053, 26623), (3397, 23927), (5609, 14491)]