28075788

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20023

約数の個数: 48

約数和(自身を含む): 78392160

約数和(自身を除く): 50316372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 19997, 39994, 59991, 79988, 119982, 179973, 239964, 259961, 359946, 519922, 539919, 719892, 779883, 1039844, 1079838, 1559766, 2159676, 2339649, 3119532, 4679298, 7018947, 9358596, 14037894, 28075788]

約数ペア:

[(1, 28075788), (2, 14037894), (3, 9358596), (4, 7018947), (6, 4679298), (9, 3119532), (12, 2339649), (13, 2159676), (18, 1559766), (26, 1079838), (27, 1039844), (36, 779883), (39, 719892), (52, 539919), (54, 519922), (78, 359946), (108, 259961), (117, 239964), (156, 179973), (234, 119982), (351, 79988), (468, 59991), (702, 39994), (1404, 19997)]