2840656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1979

約数の個数: 40

約数和(自身を含む): 6777344

約数和(自身を除く): 3936688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1951, 3902, 7804, 13657, 15608, 25363, 27314, 31216, 50726, 54628, 101452, 109256, 177541, 202904, 218512, 355082, 405808, 710164, 1420328, 2840656]

約数ペア:

[(1, 2840656), (2, 1420328), (4, 710164), (7, 405808), (8, 355082), (13, 218512), (14, 202904), (16, 177541), (26, 109256), (28, 101452), (52, 54628), (56, 50726), (91, 31216), (104, 27314), (112, 25363), (182, 15608), (208, 13657), (364, 7804), (728, 3902), (1456, 1951)]