81646268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 165580800

約数和(自身を除く): 83934532

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 127, 209, 254, 418, 508, 769, 836, 1397, 1538, 2413, 2794, 3076, 4826, 5588, 8459, 9652, 14611, 16918, 26543, 29222, 33836, 53086, 58444, 97663, 106172, 160721, 195326, 321442, 390652, 642884, 1074293, 1855597, 2148586, 3711194, 4297172, 7422388, 20411567, 40823134, 81646268]

約数ペア:

[(1, 81646268), (2, 40823134), (4, 20411567), (11, 7422388), (19, 4297172), (22, 3711194), (38, 2148586), (44, 1855597), (76, 1074293), (127, 642884), (209, 390652), (254, 321442), (418, 195326), (508, 160721), (769, 106172), (836, 97663), (1397, 58444), (1538, 53086), (2413, 33836), (2794, 29222), (3076, 26543), (4826, 16918), (5588, 14611), (8459, 9652)]