2196784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 4539392

約数和(自身を除く): 2342608

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 103, 124, 172, 206, 248, 344, 412, 496, 688, 824, 1333, 1648, 2666, 3193, 4429, 5332, 6386, 8858, 10664, 12772, 17716, 21328, 25544, 35432, 51088, 70864, 137299, 274598, 549196, 1098392, 2196784]

約数ペア:

[(1, 2196784), (2, 1098392), (4, 549196), (8, 274598), (16, 137299), (31, 70864), (43, 51088), (62, 35432), (86, 25544), (103, 21328), (124, 17716), (172, 12772), (206, 10664), (248, 8858), (344, 6386), (412, 5332), (496, 4429), (688, 3193), (824, 2666), (1333, 1648)]