1221339392

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 3035585280

約数和(自身を除く): 1814245888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 103, 104, 112, 128, 182, 206, 208, 224, 256, 364, 412, 416, 448, 509, 721, 728, 824, 832, 896, 1018, 1339, 1442, 1456, 1648, 1664, 1792, 2036, 2678, 2884, 2912, 3296, 3328, 3563, 4072, 5356, 5768, 5824, 6592, 6617, 7126, 8144, 9373, 10712, 11536, 11648, 13184, 13234, 14252, 16288, 18746, 21424, 23072, 23296, 26368, 26468, 28504, 32576, 37492, 42848, 46144, 46319, 52427, 52936, 57008, 65152, 74984, 85696, 92288, 92638, 104854, 105872, 114016, 130304, 149968, 171392, 184576, 185276, 209708, 211744, 228032, 299936, 342784, 366989, 370552, 419416, 423488, 456064, 599872, 681551, 733978, 741104, 838832, 846976, 912128, 1199744, 1363102, 1467956, 1482208, 1677664, 1693952, 2399488, 2726204, 2935912, 2964416, 3355328, 4770857, 5452408, 5871824, 5928832, 6710656, 9541714, 10904816, 11743648, 11857664, 13421312, 19083428, 21809632, 23487296, 38166856, 43619264, 46974592, 76333712, 87238528, 93949184, 152667424, 174477056, 305334848, 610669696, 1221339392]

約数ペア:

[(1, 1221339392), (2, 610669696), (4, 305334848), (7, 174477056), (8, 152667424), (13, 93949184), (14, 87238528), (16, 76333712), (26, 46974592), (28, 43619264), (32, 38166856), (52, 23487296), (56, 21809632), (64, 19083428), (91, 13421312), (103, 11857664), (104, 11743648), (112, 10904816), (128, 9541714), (182, 6710656), (206, 5928832), (208, 5871824), (224, 5452408), (256, 4770857), (364, 3355328), (412, 2964416), (416, 2935912), (448, 2726204), (509, 2399488), (721, 1693952), (728, 1677664), (824, 1482208), (832, 1467956), (896, 1363102), (1018, 1199744), (1339, 912128), (1442, 846976), (1456, 838832), (1648, 741104), (1664, 733978), (1792, 681551), (2036, 599872), (2678, 456064), (2884, 423488), (2912, 419416), (3296, 370552), (3328, 366989), (3563, 342784), (4072, 299936), (5356, 228032), (5768, 211744), (5824, 209708), (6592, 185276), (6617, 184576), (7126, 171392), (8144, 149968), (9373, 130304), (10712, 114016), (11536, 105872), (11648, 104854), (13184, 92638), (13234, 92288), (14252, 85696), (16288, 74984), (18746, 65152), (21424, 57008), (23072, 52936), (23296, 52427), (26368, 46319), (26468, 46144), (28504, 42848), (32576, 37492)]