981315556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1\times {\mathrm{709}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 1898142400

約数和(自身を除く): 916826844

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 619, 709, 1118, 1238, 1418, 2236, 2476, 2836, 8047, 9217, 16094, 18434, 26617, 30487, 32188, 36868, 53234, 60974, 106468, 121948, 346021, 396331, 438871, 692042, 792662, 877742, 1384084, 1585324, 1755484, 5705323, 11410646, 18871453, 22821292, 37742906, 75485812, 245328889, 490657778, 981315556]

約数ペア:

[(1, 981315556), (2, 490657778), (4, 245328889), (13, 75485812), (26, 37742906), (43, 22821292), (52, 18871453), (86, 11410646), (172, 5705323), (559, 1755484), (619, 1585324), (709, 1384084), (1118, 877742), (1238, 792662), (1418, 692042), (2236, 438871), (2476, 396331), (2836, 346021), (8047, 121948), (9217, 106468), (16094, 60974), (18434, 53234), (26617, 36868), (30487, 32188)]