256304888

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{9209}}^1$

素因数の和:9300

約数の個数: 48

約数和(自身を含む): 566967600

約数和(自身を除く): 310662712

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1988, 3479, 3976, 6958, 9209, 13916, 18418, 27832, 36836, 64463, 73672, 128926, 257852, 451241, 515704, 653839, 902482, 1307678, 1804964, 2615356, 3609928, 4576873, 5230712, 9153746, 18307492, 32038111, 36614984, 64076222, 128152444, 256304888]

約数ペア:

[(1, 256304888), (2, 128152444), (4, 64076222), (7, 36614984), (8, 32038111), (14, 18307492), (28, 9153746), (49, 5230712), (56, 4576873), (71, 3609928), (98, 2615356), (142, 1804964), (196, 1307678), (284, 902482), (392, 653839), (497, 515704), (568, 451241), (994, 257852), (1988, 128926), (3479, 73672), (3976, 64463), (6958, 36836), (9209, 27832), (13916, 18418)]