55781578

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{28201}}^1$

素因数の和:28269

約数の個数: 16

約数和(自身を含む): 89343936

約数和(自身を除く): 33562358

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 28201, 56402, 648623, 1212643, 1297246, 2425286, 27890789, 55781578]

約数ペア:

[(1, 55781578), (2, 27890789), (23, 2425286), (43, 1297246), (46, 1212643), (86, 648623), (989, 56402), (1978, 28201)]