81442088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111871}}^1$

素因数の和:111897

約数の個数: 32

約数和(自身を含む): 187944960

約数和(自身を除く): 106502872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111871, 223742, 447484, 783097, 894968, 1454323, 1566194, 2908646, 3132388, 5817292, 6264776, 10180261, 11634584, 20360522, 40721044, 81442088]

約数ペア:

[(1, 81442088), (2, 40721044), (4, 20360522), (7, 11634584), (8, 10180261), (13, 6264776), (14, 5817292), (26, 3132388), (28, 2908646), (52, 1566194), (56, 1454323), (91, 894968), (104, 783097), (182, 447484), (364, 223742), (728, 111871)]