31318272

素因数分解:

$2^8\times 3^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 97130880

約数和(自身を除く): 65812608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 184, 192, 197, 207, 216, 256, 276, 288, 368, 384, 394, 414, 432, 552, 576, 591, 621, 736, 768, 788, 828, 864, 1104, 1152, 1182, 1242, 1472, 1576, 1656, 1728, 1773, 2208, 2304, 2364, 2484, 2944, 3152, 3312, 3456, 3546, 4416, 4531, 4728, 4968, 5319, 5888, 6304, 6624, 6912, 7092, 8832, 9062, 9456, 9936, 10638, 12608, 13248, 13593, 14184, 17664, 18124, 18912, 19872, 21276, 25216, 26496, 27186, 28368, 36248, 37824, 39744, 40779, 42552, 50432, 52992, 54372, 56736, 72496, 75648, 79488, 81558, 85104, 108744, 113472, 122337, 144992, 151296, 158976, 163116, 170208, 217488, 226944, 244674, 289984, 326232, 340416, 434976, 453888, 489348, 579968, 652464, 680832, 869952, 978696, 1159936, 1304928, 1361664, 1739904, 1957392, 2609856, 3479808, 3914784, 5219712, 7829568, 10439424, 15659136, 31318272]

約数ペア:

[(1, 31318272), (2, 15659136), (3, 10439424), (4, 7829568), (6, 5219712), (8, 3914784), (9, 3479808), (12, 2609856), (16, 1957392), (18, 1739904), (23, 1361664), (24, 1304928), (27, 1159936), (32, 978696), (36, 869952), (46, 680832), (48, 652464), (54, 579968), (64, 489348), (69, 453888), (72, 434976), (92, 340416), (96, 326232), (108, 289984), (128, 244674), (138, 226944), (144, 217488), (184, 170208), (192, 163116), (197, 158976), (207, 151296), (216, 144992), (256, 122337), (276, 113472), (288, 108744), (368, 85104), (384, 81558), (394, 79488), (414, 75648), (432, 72496), (552, 56736), (576, 54372), (591, 52992), (621, 50432), (736, 42552), (768, 40779), (788, 39744), (828, 37824), (864, 36248), (1104, 28368), (1152, 27186), (1182, 26496), (1242, 25216), (1472, 21276), (1576, 19872), (1656, 18912), (1728, 18124), (1773, 17664), (2208, 14184), (2304, 13593), (2364, 13248), (2484, 12608), (2944, 10638), (3152, 9936), (3312, 9456), (3456, 9062), (3546, 8832), (4416, 7092), (4531, 6912), (4728, 6624), (4968, 6304), (5319, 5888)]