81499649

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 112306176

約数和(自身を除く): 30806527

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2707, 2737, 4301, 18949, 29777, 30107, 46019, 62261, 208439, 322133, 435827, 506209, 684871, 1058437, 3543463, 4794097, 7409059, 11642807, 81499649]

約数ペア:

[(1, 81499649), (7, 11642807), (11, 7409059), (17, 4794097), (23, 3543463), (77, 1058437), (119, 684871), (161, 506209), (187, 435827), (253, 322133), (391, 208439), (1309, 62261), (1771, 46019), (2707, 30107), (2737, 29777), (4301, 18949)]