661019904

素因数分解:

$2^8\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1021}}^1$

素因数の和:1324

約数の個数: 108

約数和(自身を含む): 1914539172

約数和(自身を除く): 1253519268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 281, 288, 384, 562, 576, 768, 843, 1021, 1124, 1152, 1686, 2042, 2248, 2304, 2529, 3063, 3372, 4084, 4496, 5058, 6126, 6744, 8168, 8992, 9189, 10116, 12252, 13488, 16336, 17984, 18378, 20232, 24504, 26976, 32672, 35968, 36756, 40464, 49008, 53952, 65344, 71936, 73512, 80928, 98016, 107904, 130688, 147024, 161856, 196032, 215808, 261376, 286901, 294048, 323712, 392064, 573802, 588096, 647424, 784128, 860703, 1147604, 1176192, 1721406, 2295208, 2352384, 2582109, 3442812, 4590416, 5164218, 6885624, 9180832, 10328436, 13771248, 18361664, 20656872, 27542496, 36723328, 41313744, 55084992, 73446656, 82627488, 110169984, 165254976, 220339968, 330509952, 661019904]

約数ペア:

[(1, 661019904), (2, 330509952), (3, 220339968), (4, 165254976), (6, 110169984), (8, 82627488), (9, 73446656), (12, 55084992), (16, 41313744), (18, 36723328), (24, 27542496), (32, 20656872), (36, 18361664), (48, 13771248), (64, 10328436), (72, 9180832), (96, 6885624), (128, 5164218), (144, 4590416), (192, 3442812), (256, 2582109), (281, 2352384), (288, 2295208), (384, 1721406), (562, 1176192), (576, 1147604), (768, 860703), (843, 784128), (1021, 647424), (1124, 588096), (1152, 573802), (1686, 392064), (2042, 323712), (2248, 294048), (2304, 286901), (2529, 261376), (3063, 215808), (3372, 196032), (4084, 161856), (4496, 147024), (5058, 130688), (6126, 107904), (6744, 98016), (8168, 80928), (8992, 73512), (9189, 71936), (10116, 65344), (12252, 53952), (13488, 49008), (16336, 40464), (17984, 36756), (18378, 35968), (20232, 32672), (24504, 26976)]