1663153984

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{641}}^1$

素因数の和:1295

約数の個数: 56

約数和(自身を含む): 3357896256

約数和(自身を除く): 1694742272

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 571, 641, 1136, 1142, 1282, 2272, 2284, 2564, 4544, 4568, 5128, 9136, 10256, 18272, 20512, 36544, 40541, 41024, 45511, 81082, 91022, 162164, 182044, 324328, 364088, 366011, 648656, 728176, 732022, 1297312, 1456352, 1464044, 2594624, 2912704, 2928088, 5856176, 11712352, 23424704, 25986781, 51973562, 103947124, 207894248, 415788496, 831576992, 1663153984]

約数ペア:

[(1, 1663153984), (2, 831576992), (4, 415788496), (8, 207894248), (16, 103947124), (32, 51973562), (64, 25986781), (71, 23424704), (142, 11712352), (284, 5856176), (568, 2928088), (571, 2912704), (641, 2594624), (1136, 1464044), (1142, 1456352), (1282, 1297312), (2272, 732022), (2284, 728176), (2564, 648656), (4544, 366011), (4568, 364088), (5128, 324328), (9136, 182044), (10256, 162164), (18272, 91022), (20512, 81082), (36544, 45511), (40541, 41024)]