61781369

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 70324800

約数和(自身を除く): 8543431

約数列:

[1, 13, 19, 247, 389, 643, 5057, 7391, 8359, 12217, 96083, 158821, 250127, 3251651, 4752413, 61781369]

約数ペア:

[(1, 61781369), (13, 4752413), (19, 3251651), (247, 250127), (389, 158821), (643, 96083), (5057, 12217), (7391, 8359)]