231806872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{6569}}^1$

素因数の和:6987

約数の個数: 32

約数和(自身を含む): 475405200

約数和(自身を除く): 243598328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 802, 1604, 3208, 4411, 6569, 8822, 13138, 17644, 26276, 35288, 52552, 72259, 144518, 289036, 578072, 2634169, 5268338, 10536676, 21073352, 28975859, 57951718, 115903436, 231806872]

約数ペア:

[(1, 231806872), (2, 115903436), (4, 57951718), (8, 28975859), (11, 21073352), (22, 10536676), (44, 5268338), (88, 2634169), (401, 578072), (802, 289036), (1604, 144518), (3208, 72259), (4411, 52552), (6569, 35288), (8822, 26276), (13138, 17644)]