28685878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{29819}}^1$

素因数の和:29871

約数の個数: 16

約数和(自身を含む): 47592720

約数和(自身を除く): 18906842

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 29819, 59638, 387647, 775294, 1103303, 2206606, 14342939, 28685878]

約数ペア:

[(1, 28685878), (2, 14342939), (13, 2206606), (26, 1103303), (37, 775294), (74, 387647), (481, 59638), (962, 29819)]