2018974389

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 2769500160

約数和(自身を除く): 750525771

約数列:

[1, 3, 71, 167, 211, 213, 269, 501, 633, 807, 11857, 14981, 19099, 35237, 35571, 44923, 44943, 56759, 57297, 105711, 134769, 170277, 2501827, 3189533, 4029889, 7505481, 9478753, 9568599, 12089667, 28436259, 672991463, 2018974389]

約数ペア:

[(1, 2018974389), (3, 672991463), (71, 28436259), (167, 12089667), (211, 9568599), (213, 9478753), (269, 7505481), (501, 4029889), (633, 3189533), (807, 2501827), (11857, 170277), (14981, 134769), (19099, 105711), (35237, 57297), (35571, 56759), (44923, 44943)]