31538768

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{27763}}^1$

素因数の和:27842

約数の個数: 20

約数和(自身を含む): 61969248

約数和(自身を除く): 30430480

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 27763, 55526, 111052, 222104, 444208, 1971173, 3942346, 7884692, 15769384, 31538768]

約数ペア:

[(1, 31538768), (2, 15769384), (4, 7884692), (8, 3942346), (16, 1971173), (71, 444208), (142, 222104), (284, 111052), (568, 55526), (1136, 27763)]