2641212889

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1\times {\mathrm{4787}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 3177316800

約数和(自身を除く): 536103911

約数列:

[1, 7, 23, 149, 161, 529, 1043, 3427, 3703, 4787, 23989, 33509, 78821, 110101, 551747, 713263, 770707, 2532323, 4992841, 16405049, 17726261, 114835343, 377316127, 2641212889]

約数ペア:

[(1, 2641212889), (7, 377316127), (23, 114835343), (149, 17726261), (161, 16405049), (529, 4992841), (1043, 2532323), (3427, 770707), (3703, 713263), (4787, 551747), (23989, 110101), (33509, 78821)]