85891564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{17909}}^1$

素因数の和:18033

約数の個数: 24

約数和(自身を含む): 165488400

約数和(自身を除く): 79596836

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 17909, 35818, 71636, 196999, 393998, 787996, 1952081, 3904162, 7808324, 21472891, 42945782, 85891564]

約数ペア:

[(1, 85891564), (2, 42945782), (4, 21472891), (11, 7808324), (22, 3904162), (44, 1952081), (109, 787996), (218, 393998), (436, 196999), (1199, 71636), (2398, 35818), (4796, 17909)]