221673456

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 160

約数和(自身を含む): 678528000

約数和(自身を除く): 456854544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 113, 114, 144, 152, 171, 216, 226, 228, 239, 304, 339, 342, 432, 452, 456, 478, 513, 678, 684, 717, 904, 912, 956, 1017, 1026, 1356, 1368, 1434, 1808, 1912, 2034, 2052, 2147, 2151, 2712, 2736, 2868, 3051, 3824, 4068, 4104, 4294, 4302, 4541, 5424, 5736, 6102, 6441, 6453, 8136, 8208, 8588, 8604, 9082, 11472, 12204, 12882, 12906, 13623, 16272, 17176, 17208, 18164, 19323, 24408, 25764, 25812, 27007, 27246, 34352, 34416, 36328, 38646, 40869, 48816, 51528, 51624, 54014, 54492, 57969, 72656, 77292, 81021, 81738, 103056, 103248, 108028, 108984, 115938, 122607, 154584, 162042, 163476, 216056, 217968, 231876, 243063, 245214, 309168, 324084, 326952, 432112, 463752, 486126, 490428, 513133, 648168, 653904, 729189, 927504, 972252, 980856, 1026266, 1296336, 1458378, 1539399, 1944504, 1961712, 2052532, 2916756, 3078798, 3889008, 4105064, 4618197, 5833512, 6157596, 8210128, 9236394, 11667024, 12315192, 13854591, 18472788, 24630384, 27709182, 36945576, 55418364, 73891152, 110836728, 221673456]

約数ペア:

[(1, 221673456), (2, 110836728), (3, 73891152), (4, 55418364), (6, 36945576), (8, 27709182), (9, 24630384), (12, 18472788), (16, 13854591), (18, 12315192), (19, 11667024), (24, 9236394), (27, 8210128), (36, 6157596), (38, 5833512), (48, 4618197), (54, 4105064), (57, 3889008), (72, 3078798), (76, 2916756), (108, 2052532), (113, 1961712), (114, 1944504), (144, 1539399), (152, 1458378), (171, 1296336), (216, 1026266), (226, 980856), (228, 972252), (239, 927504), (304, 729189), (339, 653904), (342, 648168), (432, 513133), (452, 490428), (456, 486126), (478, 463752), (513, 432112), (678, 326952), (684, 324084), (717, 309168), (904, 245214), (912, 243063), (956, 231876), (1017, 217968), (1026, 216056), (1356, 163476), (1368, 162042), (1434, 154584), (1808, 122607), (1912, 115938), (2034, 108984), (2052, 108028), (2147, 103248), (2151, 103056), (2712, 81738), (2736, 81021), (2868, 77292), (3051, 72656), (3824, 57969), (4068, 54492), (4104, 54014), (4294, 51624), (4302, 51528), (4541, 48816), (5424, 40869), (5736, 38646), (6102, 36328), (6441, 34416), (6453, 34352), (8136, 27246), (8208, 27007), (8588, 25812), (8604, 25764), (9082, 24408), (11472, 19323), (12204, 18164), (12882, 17208), (12906, 17176), (13623, 16272)]