72081416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{443}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 151288560

約数和(自身を除く): 79207144

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 443, 473, 886, 946, 1772, 1849, 1892, 3544, 3698, 3784, 4873, 7396, 9746, 14792, 19049, 19492, 20339, 38098, 38984, 40678, 76196, 81356, 152392, 162712, 209539, 419078, 819107, 838156, 1638214, 1676312, 3276428, 6552856, 9010177, 18020354, 36040708, 72081416]

約数ペア:

[(1, 72081416), (2, 36040708), (4, 18020354), (8, 9010177), (11, 6552856), (22, 3276428), (43, 1676312), (44, 1638214), (86, 838156), (88, 819107), (172, 419078), (344, 209539), (443, 162712), (473, 152392), (886, 81356), (946, 76196), (1772, 40678), (1849, 38984), (1892, 38098), (3544, 20339), (3698, 19492), (3784, 19049), (4873, 14792), (7396, 9746)]