256665798

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{90823}}^1$

素因数の和:90988

約数の個数: 24

約数和(自身を含む): 559657488

約数和(自身を除く): 302991690

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 90823, 181646, 272469, 544938, 817407, 1634814, 14259211, 28518422, 42777633, 85555266, 128332899, 256665798]

約数ペア:

[(1, 256665798), (2, 128332899), (3, 85555266), (6, 42777633), (9, 28518422), (18, 14259211), (157, 1634814), (314, 817407), (471, 544938), (942, 272469), (1413, 181646), (2826, 90823)]