78389871

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1327}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 124938240

約数和(自身を除く): 46548369

約数列:

[1, 3, 7, 21, 29, 87, 97, 203, 291, 609, 679, 1327, 2037, 2813, 3981, 8439, 9289, 19691, 27867, 38483, 59073, 115449, 128719, 269381, 386157, 808143, 901033, 2703099, 3732851, 11198553, 26129957, 78389871]

約数ペア:

[(1, 78389871), (3, 26129957), (7, 11198553), (21, 3732851), (29, 2703099), (87, 901033), (97, 808143), (203, 386157), (291, 269381), (609, 128719), (679, 115449), (1327, 59073), (2037, 38483), (2813, 27867), (3981, 19691), (8439, 9289)]