81695972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{3391}}^1$

素因数の和:3731

約数の個数: 24

約数和(自身を含む): 151011840

約数和(自身を除く): 69315868

約数列:

[1, 2, 4, 19, 38, 76, 317, 634, 1268, 3391, 6023, 6782, 12046, 13564, 24092, 64429, 128858, 257716, 1074947, 2149894, 4299788, 20423993, 40847986, 81695972]

約数ペア:

[(1, 81695972), (2, 40847986), (4, 20423993), (19, 4299788), (38, 2149894), (76, 1074947), (317, 257716), (634, 128858), (1268, 64429), (3391, 24092), (6023, 13564), (6782, 12046)]