1888691714

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2331

約数の個数: 64

約数和(自身を含む): 3610075392

約数和(自身を除く): 1721383678

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 131, 182, 259, 262, 481, 518, 917, 962, 1703, 1834, 2141, 3367, 3406, 4282, 4847, 6734, 9694, 11921, 14987, 23842, 27833, 29974, 33929, 55666, 63011, 67858, 79217, 126022, 158434, 194831, 280471, 389662, 441077, 554519, 560942, 882154, 1029821, 1109038, 1963297, 2059642, 3646123, 3926594, 7208747, 7292246, 10377427, 14417494, 20754854, 25522861, 51045722, 72641989, 134906551, 145283978, 269813102, 944345857, 1888691714]

約数ペア:

[(1, 1888691714), (2, 944345857), (7, 269813102), (13, 145283978), (14, 134906551), (26, 72641989), (37, 51045722), (74, 25522861), (91, 20754854), (131, 14417494), (182, 10377427), (259, 7292246), (262, 7208747), (481, 3926594), (518, 3646123), (917, 2059642), (962, 1963297), (1703, 1109038), (1834, 1029821), (2141, 882154), (3367, 560942), (3406, 554519), (4282, 441077), (4847, 389662), (6734, 280471), (9694, 194831), (11921, 158434), (14987, 126022), (23842, 79217), (27833, 67858), (29974, 63011), (33929, 55666)]