1881801781504

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{247393}}^1$

素因数の和:248143

約数の個数: 72

約数和(自身を含む): 3849185433632

約数和(自身を除く): 1967383652128

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 691, 1376, 1382, 2752, 2764, 5504, 5528, 11008, 11056, 22112, 29713, 44224, 59426, 88448, 118852, 176896, 237704, 247393, 475408, 494786, 950816, 989572, 1901632, 1979144, 3803264, 3958288, 7606528, 7916576, 10637899, 15833152, 21275798, 31666304, 42551596, 63332608, 85103192, 170206384, 170948563, 340412768, 341897126, 680825536, 683794252, 1361651072, 1367588504, 2723302144, 2735177008, 5470354016, 7350788209, 10940708032, 14701576418, 21881416064, 29403152836, 43762832128, 58806305672, 117612611344, 235225222688, 470450445376, 940900890752, 1881801781504]

約数ペア:

[(1, 1881801781504), (2, 940900890752), (4, 470450445376), (8, 235225222688), (16, 117612611344), (32, 58806305672), (43, 43762832128), (64, 29403152836), (86, 21881416064), (128, 14701576418), (172, 10940708032), (256, 7350788209), (344, 5470354016), (688, 2735177008), (691, 2723302144), (1376, 1367588504), (1382, 1361651072), (2752, 683794252), (2764, 680825536), (5504, 341897126), (5528, 340412768), (11008, 170948563), (11056, 170206384), (22112, 85103192), (29713, 63332608), (44224, 42551596), (59426, 31666304), (88448, 21275798), (118852, 15833152), (176896, 10637899), (237704, 7916576), (247393, 7606528), (475408, 3958288), (494786, 3803264), (950816, 1979144), (989572, 1901632)]