66321628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{1289}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 122446800

約数和(自身を除く): 56125172

約数列:

[1, 2, 4, 19, 38, 76, 677, 1289, 1354, 2578, 2708, 5156, 12863, 24491, 25726, 48982, 51452, 97964, 872653, 1745306, 3490612, 16580407, 33160814, 66321628]

約数ペア:

[(1, 66321628), (2, 33160814), (4, 16580407), (19, 3490612), (38, 1745306), (76, 872653), (677, 97964), (1289, 51452), (1354, 48982), (2578, 25726), (2708, 24491), (5156, 12863)]