78399377

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 97843200

約数和(自身を除く): 19443823

約数列:

[1, 7, 19, 59, 97, 103, 133, 413, 679, 721, 1121, 1843, 1957, 5723, 6077, 7847, 9991, 12901, 13699, 40061, 42539, 69937, 108737, 115463, 189829, 589469, 761159, 808241, 1328803, 4126283, 11199911, 78399377]

約数ペア:

[(1, 78399377), (7, 11199911), (19, 4126283), (59, 1328803), (97, 808241), (103, 761159), (133, 589469), (413, 189829), (679, 115463), (721, 108737), (1121, 69937), (1843, 42539), (1957, 40061), (5723, 13699), (6077, 12901), (7847, 9991)]