64921396

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{821}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 116207784

約数和(自身を除く): 51286388

約数列:

[1, 2, 4, 53, 106, 212, 373, 746, 821, 1492, 1642, 3284, 19769, 39538, 43513, 79076, 87026, 174052, 306233, 612466, 1224932, 16230349, 32460698, 64921396]

約数ペア:

[(1, 64921396), (2, 32460698), (4, 16230349), (53, 1224932), (106, 612466), (212, 306233), (373, 174052), (746, 87026), (821, 79076), (1492, 43513), (1642, 39538), (3284, 19769)]