81576508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{13883}}^1$

素因数の和:14013

約数の個数: 24

約数和(自身を含む): 155112048

約数和(自身を除く): 73535540

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 5876, 13883, 27766, 55532, 180479, 360958, 721916, 1568779, 3137558, 6275116, 20394127, 40788254, 81576508]

約数ペア:

[(1, 81576508), (2, 40788254), (4, 20394127), (13, 6275116), (26, 3137558), (52, 1568779), (113, 721916), (226, 360958), (452, 180479), (1469, 55532), (2938, 27766), (5876, 13883)]