71987564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{26821}}^1$

素因数の和:26897

約数の個数: 24

約数和(自身を含む): 139688976

約数和(自身を除く): 67701412

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 26821, 53642, 107284, 295031, 590062, 1180124, 1636081, 3272162, 6544324, 17996891, 35993782, 71987564]

約数ペア:

[(1, 71987564), (2, 35993782), (4, 17996891), (11, 6544324), (22, 3272162), (44, 1636081), (61, 1180124), (122, 590062), (244, 295031), (671, 107284), (1342, 53642), (2684, 26821)]