71930872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1069}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 145605600

約数和(自身を除く): 73674728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 647, 1069, 1294, 2138, 2588, 4276, 5176, 8411, 8552, 13897, 16822, 27794, 33644, 55588, 67288, 111176, 691643, 1383286, 2766572, 5533144, 8991359, 17982718, 35965436, 71930872]

約数ペア:

[(1, 71930872), (2, 35965436), (4, 17982718), (8, 8991359), (13, 5533144), (26, 2766572), (52, 1383286), (104, 691643), (647, 111176), (1069, 67288), (1294, 55588), (2138, 33644), (2588, 27794), (4276, 16822), (5176, 13897), (8411, 8552)]