81354295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 113172480

約数和(自身を除く): 31818185

約数列:

[1, 5, 11, 19, 55, 95, 127, 209, 613, 635, 1045, 1397, 2413, 3065, 6743, 6985, 11647, 12065, 26543, 33715, 58235, 77851, 128117, 132715, 389255, 640585, 856361, 1479169, 4281805, 7395845, 16270859, 81354295]

約数ペア:

[(1, 81354295), (5, 16270859), (11, 7395845), (19, 4281805), (55, 1479169), (95, 856361), (127, 640585), (209, 389255), (613, 132715), (635, 128117), (1045, 77851), (1397, 58235), (2413, 33715), (3065, 26543), (6743, 12065), (6985, 11647)]