128403976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{844763}}^1$

素因数の和:844788

約数の個数: 16

約数和(自身を含む): 253429200

約数和(自身を除く): 125025224

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 844763, 1689526, 3379052, 6758104, 16050497, 32100994, 64201988, 128403976]

約数ペア:

[(1, 128403976), (2, 64201988), (4, 32100994), (8, 16050497), (19, 6758104), (38, 3379052), (76, 1689526), (152, 844763)]