387813718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{19031}}^1$

素因数の和:19499

約数の個数: 16

約数和(自身を含む): 608414976

約数和(自身を除く): 220601258

約数列:

[1, 2, 23, 46, 443, 886, 10189, 19031, 20378, 38062, 437713, 875426, 8430733, 16861466, 193906859, 387813718]

約数ペア:

[(1, 387813718), (2, 193906859), (23, 16861466), (46, 8430733), (443, 875426), (886, 437713), (10189, 38062), (19031, 20378)]