2806908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 7432320

約数和(自身を除く): 4625412

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 947, 988, 1482, 1894, 2841, 2964, 3788, 5682, 11364, 12311, 17993, 24622, 35986, 36933, 49244, 53979, 71972, 73866, 107958, 147732, 215916, 233909, 467818, 701727, 935636, 1403454, 2806908]

約数ペア:

[(1, 2806908), (2, 1403454), (3, 935636), (4, 701727), (6, 467818), (12, 233909), (13, 215916), (19, 147732), (26, 107958), (38, 73866), (39, 71972), (52, 53979), (57, 49244), (76, 36933), (78, 35986), (114, 24622), (156, 17993), (228, 12311), (247, 11364), (494, 5682), (741, 3788), (947, 2964), (988, 2841), (1482, 1894)]