215991217

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{2879}}^1$

素因数の和:3120

約数の個数: 16

約数和(自身を含む): 241920000

約数和(自身を除く): 25928783

約数列:

[1, 13, 29, 199, 377, 2587, 2879, 5771, 37427, 75023, 83491, 572921, 1085383, 7447973, 16614709, 215991217]

約数ペア:

[(1, 215991217), (13, 16614709), (29, 7447973), (199, 1085383), (377, 572921), (2587, 83491), (2879, 75023), (5771, 37427)]