128861588

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 228393984

約数和(自身を除く): 99532396

約数列:

[1, 2, 4, 151, 191, 302, 382, 604, 764, 1117, 2234, 4468, 28841, 57682, 115364, 168667, 213347, 337334, 426694, 674668, 853388, 32215397, 64430794, 128861588]

約数ペア:

[(1, 128861588), (2, 64430794), (4, 32215397), (151, 853388), (191, 674668), (302, 426694), (382, 337334), (604, 213347), (764, 168667), (1117, 115364), (2234, 57682), (4468, 28841)]