81611632

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{86453}}^1$

素因数の和:86520

約数の個数: 20

約数和(自身を含む): 160804440

約数和(自身を除く): 79192808

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 86453, 172906, 345812, 691624, 1383248, 5100727, 10201454, 20402908, 40805816, 81611632]

約数ペア:

[(1, 81611632), (2, 40805816), (4, 20402908), (8, 10201454), (16, 5100727), (59, 1383248), (118, 691624), (236, 345812), (472, 172906), (944, 86453)]