81397736

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63197}}^1$

素因数の和:63233

約数の個数: 32

約数和(自身を含む): 182010240

約数和(自身を除く): 100612504

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63197, 126394, 252788, 442379, 505576, 884758, 1453531, 1769516, 2907062, 3539032, 5814124, 10174717, 11628248, 20349434, 40698868, 81397736]

約数ペア:

[(1, 81397736), (2, 40698868), (4, 20349434), (7, 11628248), (8, 10174717), (14, 5814124), (23, 3539032), (28, 2907062), (46, 1769516), (56, 1453531), (92, 884758), (161, 505576), (184, 442379), (322, 252788), (644, 126394), (1288, 63197)]