663857856

素因数分解:

$2^6\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1724

約数の個数: 140

約数和(自身を含む): 1994021920

約数和(自身を除く): 1330164064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 81, 96, 108, 144, 158, 162, 192, 216, 237, 288, 316, 324, 432, 474, 576, 632, 648, 711, 864, 948, 1264, 1296, 1422, 1621, 1728, 1896, 2133, 2528, 2592, 2844, 3242, 3792, 4266, 4863, 5056, 5184, 5688, 6399, 6484, 7584, 8532, 9726, 11376, 12798, 12968, 14589, 15168, 17064, 19452, 22752, 25596, 25936, 29178, 34128, 38904, 43767, 45504, 51192, 51872, 58356, 68256, 77808, 87534, 102384, 103744, 116712, 128059, 131301, 136512, 155616, 175068, 204768, 233424, 256118, 262602, 311232, 350136, 384177, 409536, 466848, 512236, 525204, 700272, 768354, 933696, 1024472, 1050408, 1152531, 1400544, 1536708, 2048944, 2100816, 2305062, 2801088, 3073416, 3457593, 4097888, 4201632, 4610124, 6146832, 6915186, 8195776, 8403264, 9220248, 10372779, 12293664, 13830372, 18440496, 20745558, 24587328, 27660744, 36880992, 41491116, 55321488, 73761984, 82982232, 110642976, 165964464, 221285952, 331928928, 663857856]

約数ペア:

[(1, 663857856), (2, 331928928), (3, 221285952), (4, 165964464), (6, 110642976), (8, 82982232), (9, 73761984), (12, 55321488), (16, 41491116), (18, 36880992), (24, 27660744), (27, 24587328), (32, 20745558), (36, 18440496), (48, 13830372), (54, 12293664), (64, 10372779), (72, 9220248), (79, 8403264), (81, 8195776), (96, 6915186), (108, 6146832), (144, 4610124), (158, 4201632), (162, 4097888), (192, 3457593), (216, 3073416), (237, 2801088), (288, 2305062), (316, 2100816), (324, 2048944), (432, 1536708), (474, 1400544), (576, 1152531), (632, 1050408), (648, 1024472), (711, 933696), (864, 768354), (948, 700272), (1264, 525204), (1296, 512236), (1422, 466848), (1621, 409536), (1728, 384177), (1896, 350136), (2133, 311232), (2528, 262602), (2592, 256118), (2844, 233424), (3242, 204768), (3792, 175068), (4266, 155616), (4863, 136512), (5056, 131301), (5184, 128059), (5688, 116712), (6399, 103744), (6484, 102384), (7584, 87534), (8532, 77808), (9726, 68256), (11376, 58356), (12798, 51872), (12968, 51192), (14589, 45504), (15168, 43767), (17064, 38904), (19452, 34128), (22752, 29178), (25596, 25936)]