81865344

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19381}}^1$

素因数の和:19409

約数の個数: 64

約数和(自身を含む): 237235680

約数和(自身を除く): 155370336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 19381, 38762, 58143, 77524, 116286, 155048, 213191, 232572, 310096, 426382, 465144, 620192, 639573, 852764, 930288, 1240384, 1279146, 1705528, 1860576, 2480768, 2558292, 3411056, 3721152, 5116584, 6822112, 7442304, 10233168, 13644224, 20466336, 27288448, 40932672, 81865344]

約数ペア:

[(1, 81865344), (2, 40932672), (3, 27288448), (4, 20466336), (6, 13644224), (8, 10233168), (11, 7442304), (12, 6822112), (16, 5116584), (22, 3721152), (24, 3411056), (32, 2558292), (33, 2480768), (44, 1860576), (48, 1705528), (64, 1279146), (66, 1240384), (88, 930288), (96, 852764), (128, 639573), (132, 620192), (176, 465144), (192, 426382), (264, 310096), (352, 232572), (384, 213191), (528, 155048), (704, 116286), (1056, 77524), (1408, 58143), (2112, 38762), (4224, 19381)]