256935511

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{21107}}^1$

素因数の和:21198

約数の個数: 16

約数和(自身を含む): 308007936

約数和(自身を除く): 51072425

約数列:

[1, 7, 37, 47, 259, 329, 1739, 12173, 21107, 147749, 780959, 992029, 5466713, 6944203, 36705073, 256935511]

約数ペア:

[(1, 256935511), (7, 36705073), (37, 6944203), (47, 5466713), (259, 992029), (329, 780959), (1739, 147749), (12173, 21107)]