81781468

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{881}}^1\times {\mathrm{1009}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 149657760

約数和(自身を除く): 67876292

約数列:

[1, 2, 4, 23, 46, 92, 881, 1009, 1762, 2018, 3524, 4036, 20263, 23207, 40526, 46414, 81052, 92828, 888929, 1777858, 3555716, 20445367, 40890734, 81781468]

約数ペア:

[(1, 81781468), (2, 40890734), (4, 20445367), (23, 3555716), (46, 1777858), (92, 888929), (881, 92828), (1009, 81052), (1762, 46414), (2018, 40526), (3524, 23207), (4036, 20263)]