81860128

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15889}}^1$

素因数の和:15929

約数の個数: 48

約数和(自身を含む): 192205440

約数和(自身を除く): 110345312

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 5152, 15889, 31778, 63556, 111223, 127112, 222446, 254224, 365447, 444892, 508448, 730894, 889784, 1461788, 1779568, 2558129, 2923576, 3559136, 5116258, 5847152, 10232516, 11694304, 20465032, 40930064, 81860128]

約数ペア:

[(1, 81860128), (2, 40930064), (4, 20465032), (7, 11694304), (8, 10232516), (14, 5847152), (16, 5116258), (23, 3559136), (28, 2923576), (32, 2558129), (46, 1779568), (56, 1461788), (92, 889784), (112, 730894), (161, 508448), (184, 444892), (224, 365447), (322, 254224), (368, 222446), (644, 127112), (736, 111223), (1288, 63556), (2576, 31778), (5152, 15889)]