27990512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 59460480

約数和(自身を除く): 31469968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 359, 443, 718, 886, 1436, 1772, 2872, 3544, 3949, 4873, 5744, 7088, 7898, 9746, 15796, 19492, 31592, 38984, 63184, 77968, 159037, 318074, 636148, 1272296, 1749407, 2544592, 3498814, 6997628, 13995256, 27990512]

約数ペア:

[(1, 27990512), (2, 13995256), (4, 6997628), (8, 3498814), (11, 2544592), (16, 1749407), (22, 1272296), (44, 636148), (88, 318074), (176, 159037), (359, 77968), (443, 63184), (718, 38984), (886, 31592), (1436, 19492), (1772, 15796), (2872, 9746), (3544, 7898), (3949, 7088), (4873, 5744)]