81534728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6763}}^1$

素因数の和:6917

約数の個数: 32

約数和(自身を含む): 168017760

約数和(自身を除く): 86483032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 3014, 6028, 6763, 12056, 13526, 27052, 54104, 74393, 148786, 297572, 595144, 926531, 1853062, 3706124, 7412248, 10191841, 20383682, 40767364, 81534728]

約数ペア:

[(1, 81534728), (2, 40767364), (4, 20383682), (8, 10191841), (11, 7412248), (22, 3706124), (44, 1853062), (88, 926531), (137, 595144), (274, 297572), (548, 148786), (1096, 74393), (1507, 54104), (3014, 27052), (6028, 13526), (6763, 12056)]