221355904

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 565585920

約数和(自身を除く): 344230016

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, 607, 616, 704, 814, 896, 1036, 1184, 1214, 1232, 1408, 1628, 2072, 2368, 2428, 2464, 2849, 3256, 4144, 4249, 4736, 4856, 4928, 5698, 6512, 6677, 8288, 8498, 9712, 9856, 11396, 13024, 13354, 16576, 16996, 19424, 22459, 22792, 26048, 26708, 33152, 33992, 38848, 44918, 45584, 46739, 52096, 53416, 67984, 77696, 89836, 91168, 93478, 106832, 135968, 157213, 179672, 182336, 186956, 213664, 247049, 271936, 314426, 359344, 364672, 373912, 427328, 494098, 543872, 628852, 718688, 747824, 854656, 988196, 1257704, 1437376, 1495648, 1729343, 1976392, 2515408, 2874752, 2991296, 3458686, 3952784, 5030816, 5982592, 6917372, 7905568, 10061632, 13834744, 15811136, 20123264, 27669488, 31622272, 55338976, 110677952, 221355904]

約数ペア:

[(1, 221355904), (2, 110677952), (4, 55338976), (7, 31622272), (8, 27669488), (11, 20123264), (14, 15811136), (16, 13834744), (22, 10061632), (28, 7905568), (32, 6917372), (37, 5982592), (44, 5030816), (56, 3952784), (64, 3458686), (74, 2991296), (77, 2874752), (88, 2515408), (112, 1976392), (128, 1729343), (148, 1495648), (154, 1437376), (176, 1257704), (224, 988196), (259, 854656), (296, 747824), (308, 718688), (352, 628852), (407, 543872), (448, 494098), (518, 427328), (592, 373912), (607, 364672), (616, 359344), (704, 314426), (814, 271936), (896, 247049), (1036, 213664), (1184, 186956), (1214, 182336), (1232, 179672), (1408, 157213), (1628, 135968), (2072, 106832), (2368, 93478), (2428, 91168), (2464, 89836), (2849, 77696), (3256, 67984), (4144, 53416), (4249, 52096), (4736, 46739), (4856, 45584), (4928, 44918), (5698, 38848), (6512, 33992), (6677, 33152), (8288, 26708), (8498, 26048), (9712, 22792), (9856, 22459), (11396, 19424), (13024, 16996), (13354, 16576)]