81734128

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15527}}^1$

素因数の和:15589

約数の個数: 40

約数和(自身を含む): 184845312

約数和(自身を除く): 103111184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 5264, 15527, 31054, 62108, 108689, 124216, 217378, 248432, 434756, 729769, 869512, 1459538, 1739024, 2919076, 5108383, 5838152, 10216766, 11676304, 20433532, 40867064, 81734128]

約数ペア:

[(1, 81734128), (2, 40867064), (4, 20433532), (7, 11676304), (8, 10216766), (14, 5838152), (16, 5108383), (28, 2919076), (47, 1739024), (56, 1459538), (94, 869512), (112, 729769), (188, 434756), (329, 248432), (376, 217378), (658, 124216), (752, 108689), (1316, 62108), (2632, 31054), (5264, 15527)]