71891984

素因数分解:

$2^4\times {\mathrm{677}}^1\times {\mathrm{6637}}^1$

素因数の和:7322

約数の個数: 20

約数和(自身を含む): 139517484

約数和(自身を除く): 67625500

約数列:

[1, 2, 4, 8, 16, 677, 1354, 2708, 5416, 6637, 10832, 13274, 26548, 53096, 106192, 4493249, 8986498, 17972996, 35945992, 71891984]

約数ペア:

[(1, 71891984), (2, 35945992), (4, 17972996), (8, 8986498), (16, 4493249), (677, 106192), (1354, 53096), (2708, 26548), (5416, 13274), (6637, 10832)]