81521632

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 166072032

約数和(自身を除く): 84550400

約数列:

[1, 2, 4, 8, 16, 32, 53, 71, 106, 142, 212, 284, 424, 568, 677, 848, 1136, 1354, 1696, 2272, 2708, 3763, 5416, 7526, 10832, 15052, 21664, 30104, 35881, 48067, 60208, 71762, 96134, 120416, 143524, 192268, 287048, 384536, 574096, 769072, 1148192, 1538144, 2547551, 5095102, 10190204, 20380408, 40760816, 81521632]

約数ペア:

[(1, 81521632), (2, 40760816), (4, 20380408), (8, 10190204), (16, 5095102), (32, 2547551), (53, 1538144), (71, 1148192), (106, 769072), (142, 574096), (212, 384536), (284, 287048), (424, 192268), (568, 143524), (677, 120416), (848, 96134), (1136, 71762), (1354, 60208), (1696, 48067), (2272, 35881), (2708, 30104), (3763, 21664), (5416, 15052), (7526, 10832)]