28767178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{68821}}^1$

素因数の和:68853

約数の個数: 16

約数和(自身を含む): 49551840

約数和(自身を除く): 20784662

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 68821, 137642, 757031, 1307599, 1514062, 2615198, 14383589, 28767178]

約数ペア:

[(1, 28767178), (2, 14383589), (11, 2615198), (19, 1514062), (22, 1307599), (38, 757031), (209, 137642), (418, 68821)]