81642344

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 100834456

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 131, 217, 248, 262, 359, 434, 524, 718, 868, 917, 1048, 1436, 1736, 1834, 2513, 2872, 3668, 4061, 5026, 7336, 8122, 10052, 11129, 16244, 20104, 22258, 28427, 32488, 44516, 47029, 56854, 77903, 89032, 94058, 113708, 155806, 188116, 227416, 311612, 329203, 376232, 623224, 658406, 1316812, 1457899, 2633624, 2915798, 5831596, 10205293, 11663192, 20410586, 40821172, 81642344]

約数ペア:

[(1, 81642344), (2, 40821172), (4, 20410586), (7, 11663192), (8, 10205293), (14, 5831596), (28, 2915798), (31, 2633624), (56, 1457899), (62, 1316812), (124, 658406), (131, 623224), (217, 376232), (248, 329203), (262, 311612), (359, 227416), (434, 188116), (524, 155806), (718, 113708), (868, 94058), (917, 89032), (1048, 77903), (1436, 56854), (1736, 47029), (1834, 44516), (2513, 32488), (2872, 28427), (3668, 22258), (4061, 20104), (5026, 16244), (7336, 11129), (8122, 10052)]