291131808

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 854255808

約数和(自身を除く): 563124000

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 71, 88, 96, 121, 132, 142, 176, 213, 242, 264, 284, 352, 353, 363, 426, 484, 528, 568, 706, 726, 781, 852, 968, 1056, 1059, 1136, 1412, 1452, 1562, 1704, 1936, 2118, 2272, 2343, 2824, 2904, 3124, 3408, 3872, 3883, 4236, 4686, 5648, 5808, 6248, 6816, 7766, 8472, 8591, 9372, 11296, 11616, 11649, 12496, 15532, 16944, 17182, 18744, 23298, 24992, 25063, 25773, 31064, 33888, 34364, 37488, 42713, 46596, 50126, 51546, 62128, 68728, 74976, 75189, 85426, 93192, 100252, 103092, 124256, 128139, 137456, 150378, 170852, 186384, 200504, 206184, 256278, 274912, 275693, 300756, 341704, 372768, 401008, 412368, 512556, 551386, 601512, 683408, 802016, 824736, 827079, 1025112, 1102772, 1203024, 1366816, 1654158, 2050224, 2205544, 2406048, 3032623, 3308316, 4100448, 4411088, 6065246, 6616632, 8822176, 9097869, 12130492, 13233264, 18195738, 24260984, 26466528, 36391476, 48521968, 72782952, 97043936, 145565904, 291131808]

約数ペア:

[(1, 291131808), (2, 145565904), (3, 97043936), (4, 72782952), (6, 48521968), (8, 36391476), (11, 26466528), (12, 24260984), (16, 18195738), (22, 13233264), (24, 12130492), (32, 9097869), (33, 8822176), (44, 6616632), (48, 6065246), (66, 4411088), (71, 4100448), (88, 3308316), (96, 3032623), (121, 2406048), (132, 2205544), (142, 2050224), (176, 1654158), (213, 1366816), (242, 1203024), (264, 1102772), (284, 1025112), (352, 827079), (353, 824736), (363, 802016), (426, 683408), (484, 601512), (528, 551386), (568, 512556), (706, 412368), (726, 401008), (781, 372768), (852, 341704), (968, 300756), (1056, 275693), (1059, 274912), (1136, 256278), (1412, 206184), (1452, 200504), (1562, 186384), (1704, 170852), (1936, 150378), (2118, 137456), (2272, 128139), (2343, 124256), (2824, 103092), (2904, 100252), (3124, 93192), (3408, 85426), (3872, 75189), (3883, 74976), (4236, 68728), (4686, 62128), (5648, 51546), (5808, 50126), (6248, 46596), (6816, 42713), (7766, 37488), (8472, 34364), (8591, 33888), (9372, 31064), (11296, 25773), (11616, 25063), (11649, 24992), (12496, 23298), (15532, 18744), (16944, 17182)]