81240376

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11423}}^1$

素因数の和:11563

約数の個数: 32

約数和(自身を含む): 175472640

約数和(自身を除く): 94232264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 3556, 7112, 11423, 22846, 45692, 79961, 91384, 159922, 319844, 639688, 1450721, 2901442, 5802884, 10155047, 11605768, 20310094, 40620188, 81240376]

約数ペア:

[(1, 81240376), (2, 40620188), (4, 20310094), (7, 11605768), (8, 10155047), (14, 5802884), (28, 2901442), (56, 1450721), (127, 639688), (254, 319844), (508, 159922), (889, 91384), (1016, 79961), (1778, 45692), (3556, 22846), (7112, 11423)]