81407924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{1777}}^1$

素因数の和:2675

約数の個数: 24

約数和(自身を含む): 153683208

約数和(自身を除く): 72275284

約数列:

[1, 2, 4, 13, 26, 52, 881, 1762, 1777, 3524, 3554, 7108, 11453, 22906, 23101, 45812, 46202, 92404, 1565537, 3131074, 6262148, 20351981, 40703962, 81407924]

約数ペア:

[(1, 81407924), (2, 40703962), (4, 20351981), (13, 6262148), (26, 3131074), (52, 1565537), (881, 92404), (1762, 46202), (1777, 45812), (3524, 23101), (3554, 22906), (7108, 11453)]