255689278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{185551}}^1$

素因数の和:185619

約数の個数: 16

約数和(自身を含む): 420831936

約数和(自身を除く): 165142658

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 185551, 371102, 2412163, 4824326, 9834203, 19668406, 127844639, 255689278]

約数ペア:

[(1, 255689278), (2, 127844639), (13, 19668406), (26, 9834203), (53, 4824326), (106, 2412163), (689, 371102), (1378, 185551)]