256986793

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{9103}}^1$

素因数の和:9256

約数の個数: 16

約数和(自身を含む): 304437760

約数和(自身を除く): 47450967

約数列:

[1, 7, 37, 109, 259, 763, 4033, 9103, 28231, 63721, 336811, 992227, 2357677, 6945589, 36712399, 256986793]

約数ペア:

[(1, 256986793), (7, 36712399), (37, 6945589), (109, 2357677), (259, 992227), (763, 336811), (4033, 63721), (9103, 28231)]