668851262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{128477}}^1$

素因数の和:128635

約数の個数: 16

約数和(自身を含む): 1063797840

約数和(自身を除く): 394946578

約数列:

[1, 2, 19, 38, 137, 274, 2603, 5206, 128477, 256954, 2441063, 4882126, 17601349, 35202698, 334425631, 668851262]

約数ペア:

[(1, 668851262), (2, 334425631), (19, 35202698), (38, 17601349), (137, 4882126), (274, 2441063), (2603, 256954), (5206, 128477)]