28860013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3821}}^1$

素因数の和:3924

約数の個数: 16

約数和(自身を含む): 35957376

約数和(自身を除く): 7097363

約数列:

[1, 7, 13, 83, 91, 581, 1079, 3821, 7553, 26747, 49673, 317143, 347711, 2220001, 4122859, 28860013]

約数ペア:

[(1, 28860013), (7, 4122859), (13, 2220001), (83, 347711), (91, 317143), (581, 49673), (1079, 26747), (3821, 7553)]