72681128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1373}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 147155400

約数和(自身を除く): 74474272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 509, 1018, 1373, 2036, 2746, 4072, 5492, 6617, 10984, 13234, 17849, 26468, 35698, 52936, 71396, 142792, 698857, 1397714, 2795428, 5590856, 9085141, 18170282, 36340564, 72681128]

約数ペア:

[(1, 72681128), (2, 36340564), (4, 18170282), (8, 9085141), (13, 5590856), (26, 2795428), (52, 1397714), (104, 698857), (509, 142792), (1018, 71396), (1373, 52936), (2036, 35698), (2746, 26468), (4072, 17849), (5492, 13234), (6617, 10984)]