123789484

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2607

約数の個数: 72

約数和(自身を含む): 285779760

約数和(自身を除く): 161990276

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 2557, 3458, 3724, 5114, 6916, 10228, 12103, 17899, 24206, 33241, 35798, 48412, 48583, 66482, 71596, 97166, 125293, 132964, 194332, 232687, 250586, 340081, 465374, 501172, 631579, 680162, 930748, 1263158, 1360324, 1628809, 2380567, 2526316, 3257618, 4421053, 4761134, 6515236, 8842106, 9522268, 17684212, 30947371, 61894742, 123789484]

約数ペア:

[(1, 123789484), (2, 61894742), (4, 30947371), (7, 17684212), (13, 9522268), (14, 8842106), (19, 6515236), (26, 4761134), (28, 4421053), (38, 3257618), (49, 2526316), (52, 2380567), (76, 1628809), (91, 1360324), (98, 1263158), (133, 930748), (182, 680162), (196, 631579), (247, 501172), (266, 465374), (364, 340081), (494, 250586), (532, 232687), (637, 194332), (931, 132964), (988, 125293), (1274, 97166), (1729, 71596), (1862, 66482), (2548, 48583), (2557, 48412), (3458, 35798), (3724, 33241), (5114, 24206), (6916, 17899), (10228, 12103)]