81865636

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{4621}}^1$

素因数の和:4771

約数の個数: 24

約数和(自身を含む): 148051904

約数和(自身を除く): 66186268

約数列:

[1, 2, 4, 43, 86, 103, 172, 206, 412, 4429, 4621, 8858, 9242, 17716, 18484, 198703, 397406, 475963, 794812, 951926, 1903852, 20466409, 40932818, 81865636]

約数ペア:

[(1, 81865636), (2, 40932818), (4, 20466409), (43, 1903852), (86, 951926), (103, 794812), (172, 475963), (206, 397406), (412, 198703), (4429, 18484), (4621, 17716), (8858, 9242)]