538104021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2082

約数の個数: 64

約数和(自身を含む): 943337472

約数和(自身を除く): 405233451

約数列:

[1, 3, 7, 13, 21, 23, 39, 43, 69, 91, 129, 161, 273, 299, 301, 483, 559, 897, 903, 989, 1677, 1993, 2093, 2967, 3913, 5979, 6279, 6923, 11739, 12857, 13951, 20769, 25909, 38571, 41853, 45839, 77727, 85699, 89999, 137517, 181363, 257097, 269997, 320873, 544089, 595907, 599893, 962619, 1114087, 1787721, 1799679, 1971077, 3342261, 4171349, 5913231, 7798609, 12514047, 13797539, 23395827, 25624001, 41392617, 76872003, 179368007, 538104021]

約数ペア:

[(1, 538104021), (3, 179368007), (7, 76872003), (13, 41392617), (21, 25624001), (23, 23395827), (39, 13797539), (43, 12514047), (69, 7798609), (91, 5913231), (129, 4171349), (161, 3342261), (273, 1971077), (299, 1799679), (301, 1787721), (483, 1114087), (559, 962619), (897, 599893), (903, 595907), (989, 544089), (1677, 320873), (1993, 269997), (2093, 257097), (2967, 181363), (3913, 137517), (5979, 89999), (6279, 85699), (6923, 77727), (11739, 45839), (12857, 41853), (13951, 38571), (20769, 25909)]