12213865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 15624000

約数和(自身を除く): 3410135

約数列:

[1, 5, 19, 83, 95, 415, 1549, 1577, 7745, 7885, 29431, 128567, 147155, 642835, 2442773, 12213865]

約数ペア:

[(1, 12213865), (5, 2442773), (19, 642835), (83, 147155), (95, 128567), (415, 29431), (1549, 7885), (1577, 7745)]