208688291205

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{8191}}^1$

素因数の和:8618

約数の個数: 64

約数和(自身を含む): 343645618176

約数和(自身を除く): 134957326971

約数列:

[1, 3, 5, 15, 67, 101, 201, 251, 303, 335, 505, 753, 1005, 1255, 1515, 3765, 6767, 8191, 16817, 20301, 24573, 25351, 33835, 40955, 50451, 76053, 84085, 101505, 122865, 126755, 252255, 380265, 548797, 827291, 1646391, 1698517, 2055941, 2481873, 2743985, 4136455, 5095551, 6167823, 8231955, 8492585, 10279705, 12409365, 25477755, 30839115, 55428497, 137748047, 166285491, 207650041, 277142485, 413244141, 622950123, 688740235, 831427455, 1038250205, 2066220705, 3114750615, 13912552747, 41737658241, 69562763735, 208688291205]

約数ペア:

[(1, 208688291205), (3, 69562763735), (5, 41737658241), (15, 13912552747), (67, 3114750615), (101, 2066220705), (201, 1038250205), (251, 831427455), (303, 688740235), (335, 622950123), (505, 413244141), (753, 277142485), (1005, 207650041), (1255, 166285491), (1515, 137748047), (3765, 55428497), (6767, 30839115), (8191, 25477755), (16817, 12409365), (20301, 10279705), (24573, 8492585), (25351, 8231955), (33835, 6167823), (40955, 5095551), (50451, 4136455), (76053, 2743985), (84085, 2481873), (101505, 2055941), (122865, 1698517), (126755, 1646391), (252255, 827291), (380265, 548797)]