4978285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 7056000

約数和(自身を除く): 2077715

約数列:

[1, 5, 13, 19, 29, 65, 95, 139, 145, 247, 377, 551, 695, 1235, 1807, 1885, 2641, 2755, 4031, 7163, 9035, 13205, 20155, 34333, 35815, 52403, 76589, 171665, 262015, 382945, 995657, 4978285]

約数ペア:

[(1, 4978285), (5, 995657), (13, 382945), (19, 262015), (29, 171665), (65, 76589), (95, 52403), (139, 35815), (145, 34333), (247, 20155), (377, 13205), (551, 9035), (695, 7163), (1235, 4031), (1807, 2755), (1885, 2641)]