71972719

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{16141}}^1$

素因数の和:16175

約数の個数: 16

約数和(自身を含む): 90395200

約数和(自身を除く): 18422481

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 16141, 112987, 209833, 790909, 1468831, 5536363, 10281817, 71972719]

約数ペア:

[(1, 71972719), (7, 10281817), (13, 5536363), (49, 1468831), (91, 790909), (343, 209833), (637, 112987), (4459, 16141)]