261672736

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 581188608

約数和(自身を除く): 319515872

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 103, 104, 124, 197, 206, 208, 248, 394, 403, 412, 416, 496, 788, 806, 824, 992, 1339, 1576, 1612, 1648, 2561, 2678, 3152, 3193, 3224, 3296, 5122, 5356, 6107, 6304, 6386, 6448, 10244, 10712, 12214, 12772, 12896, 20291, 20488, 21424, 24428, 25544, 40582, 40976, 41509, 42848, 48856, 51088, 79391, 81164, 81952, 83018, 97712, 102176, 158782, 162328, 166036, 195424, 263783, 317564, 324656, 332072, 527566, 629021, 635128, 649312, 664144, 1055132, 1258042, 1270256, 1328288, 2110264, 2516084, 2540512, 4220528, 5032168, 8177273, 8441056, 10064336, 16354546, 20128672, 32709092, 65418184, 130836368, 261672736]

約数ペア:

[(1, 261672736), (2, 130836368), (4, 65418184), (8, 32709092), (13, 20128672), (16, 16354546), (26, 10064336), (31, 8441056), (32, 8177273), (52, 5032168), (62, 4220528), (103, 2540512), (104, 2516084), (124, 2110264), (197, 1328288), (206, 1270256), (208, 1258042), (248, 1055132), (394, 664144), (403, 649312), (412, 635128), (416, 629021), (496, 527566), (788, 332072), (806, 324656), (824, 317564), (992, 263783), (1339, 195424), (1576, 166036), (1612, 162328), (1648, 158782), (2561, 102176), (2678, 97712), (3152, 83018), (3193, 81952), (3224, 81164), (3296, 79391), (5122, 51088), (5356, 48856), (6107, 42848), (6304, 41509), (6386, 40976), (6448, 40582), (10244, 25544), (10712, 24428), (12214, 21424), (12772, 20488), (12896, 20291)]