1978889463

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1217}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 3104730720

約数和(自身を除く): 1125841257

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 257, 333, 703, 771, 1217, 2109, 2313, 3651, 4883, 6327, 9509, 10953, 14649, 23123, 28527, 43947, 45029, 69369, 85581, 135087, 180671, 208107, 312769, 405261, 542013, 855551, 938307, 1626039, 2566653, 2814921, 5942611, 7699959, 11572453, 17827833, 34717359, 53483499, 104152077, 219876607, 659629821, 1978889463]

約数ペア:

[(1, 1978889463), (3, 659629821), (9, 219876607), (19, 104152077), (37, 53483499), (57, 34717359), (111, 17827833), (171, 11572453), (257, 7699959), (333, 5942611), (703, 2814921), (771, 2566653), (1217, 1626039), (2109, 938307), (2313, 855551), (3651, 542013), (4883, 405261), (6327, 312769), (9509, 208107), (10953, 180671), (14649, 135087), (23123, 85581), (28527, 69369), (43947, 45029)]