2011799802575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{144031}}^1$

素因数の和:144408

約数の個数: 48

約数和(自身を含む): 2623272099840

約数和(自身を除く): 611472297265

約数列:

[1, 5, 25, 31, 67, 155, 269, 335, 775, 1345, 1675, 2077, 6725, 8339, 10385, 18023, 41695, 51925, 90115, 144031, 208475, 450575, 558713, 720155, 2793565, 3600775, 4464961, 9650077, 13967825, 22324805, 38744339, 48250385, 111624025, 193721695, 241251925, 299152387, 968608475, 1201074509, 1495761935, 2595870713, 6005372545, 7478809675, 12979353565, 30026862725, 64896767825, 80471992103, 402359960515, 2011799802575]

約数ペア:

[(1, 2011799802575), (5, 402359960515), (25, 80471992103), (31, 64896767825), (67, 30026862725), (155, 12979353565), (269, 7478809675), (335, 6005372545), (775, 2595870713), (1345, 1495761935), (1675, 1201074509), (2077, 968608475), (6725, 299152387), (8339, 241251925), (10385, 193721695), (18023, 111624025), (41695, 48250385), (51925, 38744339), (90115, 22324805), (144031, 13967825), (208475, 9650077), (450575, 4464961), (558713, 3600775), (720155, 2793565)]