6438138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 15925248

約数和(自身を除く): 9487110

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 71, 102, 119, 127, 142, 213, 238, 254, 357, 381, 426, 497, 714, 762, 889, 994, 1207, 1491, 1778, 2159, 2414, 2667, 2982, 3621, 4318, 5334, 6477, 7242, 8449, 9017, 12954, 15113, 16898, 18034, 25347, 27051, 30226, 45339, 50694, 54102, 63119, 90678, 126238, 153289, 189357, 306578, 378714, 459867, 919734, 1073023, 2146046, 3219069, 6438138]

約数ペア:

[(1, 6438138), (2, 3219069), (3, 2146046), (6, 1073023), (7, 919734), (14, 459867), (17, 378714), (21, 306578), (34, 189357), (42, 153289), (51, 126238), (71, 90678), (102, 63119), (119, 54102), (127, 50694), (142, 45339), (213, 30226), (238, 27051), (254, 25347), (357, 18034), (381, 16898), (426, 15113), (497, 12954), (714, 9017), (762, 8449), (889, 7242), (994, 6477), (1207, 5334), (1491, 4318), (1778, 3621), (2159, 2982), (2414, 2667)]