81740288

素因数分解:

$2^9\times 7^1\times {\mathrm{22807}}^1$

素因数の和:22832

約数の個数: 40

約数和(自身を含む): 186660672

約数和(自身を除く): 104920384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 22807, 45614, 91228, 159649, 182456, 319298, 364912, 638596, 729824, 1277192, 1459648, 2554384, 2919296, 5108768, 5838592, 10217536, 11677184, 20435072, 40870144, 81740288]

約数ペア:

[(1, 81740288), (2, 40870144), (4, 20435072), (7, 11677184), (8, 10217536), (14, 5838592), (16, 5108768), (28, 2919296), (32, 2554384), (56, 1459648), (64, 1277192), (112, 729824), (128, 638596), (224, 364912), (256, 319298), (448, 182456), (512, 159649), (896, 91228), (1792, 45614), (3584, 22807)]