256460799

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{7433}}^1$

素因数の和:7527

約数の個数: 32

約数和(自身を含む): 411070464

約数和(自身を除く): 154609665

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 651, 1113, 1643, 4929, 7433, 11501, 22299, 34503, 52031, 156093, 230423, 393949, 691269, 1181847, 1612961, 2757643, 4838883, 8272929, 12212419, 36637257, 85486933, 256460799]

約数ペア:

[(1, 256460799), (3, 85486933), (7, 36637257), (21, 12212419), (31, 8272929), (53, 4838883), (93, 2757643), (159, 1612961), (217, 1181847), (371, 691269), (651, 393949), (1113, 230423), (1643, 156093), (4929, 52031), (7433, 34503), (11501, 22299)]