218438528

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:668

約数の個数: 128

約数和(自身を含む): 558144000

約数和(自身を除く): 339705472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 64, 74, 77, 88, 112, 128, 148, 154, 176, 224, 259, 296, 308, 352, 407, 448, 518, 592, 599, 616, 704, 814, 896, 1036, 1184, 1198, 1232, 1408, 1628, 2072, 2368, 2396, 2464, 2849, 3256, 4144, 4193, 4736, 4792, 4928, 5698, 6512, 6589, 8288, 8386, 9584, 9856, 11396, 13024, 13178, 16576, 16772, 19168, 22163, 22792, 26048, 26356, 33152, 33544, 38336, 44326, 45584, 46123, 52096, 52712, 67088, 76672, 88652, 91168, 92246, 105424, 134176, 155141, 177304, 182336, 184492, 210848, 243793, 268352, 310282, 354608, 364672, 368984, 421696, 487586, 536704, 620564, 709216, 737968, 843392, 975172, 1241128, 1418432, 1475936, 1706551, 1950344, 2482256, 2836864, 2951872, 3413102, 3900688, 4964512, 5903744, 6826204, 7801376, 9929024, 13652408, 15602752, 19858048, 27304816, 31205504, 54609632, 109219264, 218438528]

約数ペア:

[(1, 218438528), (2, 109219264), (4, 54609632), (7, 31205504), (8, 27304816), (11, 19858048), (14, 15602752), (16, 13652408), (22, 9929024), (28, 7801376), (32, 6826204), (37, 5903744), (44, 4964512), (56, 3900688), (64, 3413102), (74, 2951872), (77, 2836864), (88, 2482256), (112, 1950344), (128, 1706551), (148, 1475936), (154, 1418432), (176, 1241128), (224, 975172), (259, 843392), (296, 737968), (308, 709216), (352, 620564), (407, 536704), (448, 487586), (518, 421696), (592, 368984), (599, 364672), (616, 354608), (704, 310282), (814, 268352), (896, 243793), (1036, 210848), (1184, 184492), (1198, 182336), (1232, 177304), (1408, 155141), (1628, 134176), (2072, 105424), (2368, 92246), (2396, 91168), (2464, 88652), (2849, 76672), (3256, 67088), (4144, 52712), (4193, 52096), (4736, 46123), (4792, 45584), (4928, 44326), (5698, 38336), (6512, 33544), (6589, 33152), (8288, 26356), (8386, 26048), (9584, 22792), (9856, 22163), (11396, 19168), (13024, 16772), (13178, 16576)]