81890612

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{1439}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 147329280

約数和(自身を除く): 65438668

約数列:

[1, 2, 4, 41, 82, 164, 347, 694, 1388, 1439, 2878, 5756, 14227, 28454, 56908, 58999, 117998, 235996, 499333, 998666, 1997332, 20472653, 40945306, 81890612]

約数ペア:

[(1, 81890612), (2, 40945306), (4, 20472653), (41, 1997332), (82, 998666), (164, 499333), (347, 235996), (694, 117998), (1388, 58999), (1439, 56908), (2878, 28454), (5756, 14227)]