257430306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{266491}}^1$

素因数の和:266526

約数の個数: 32

約数和(自身を含む): 613997568

約数和(自身を除く): 356567262

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 266491, 532982, 799473, 1598946, 1865437, 3730874, 5596311, 6129293, 11192622, 12258586, 18387879, 36775758, 42905051, 85810102, 128715153, 257430306]

約数ペア:

[(1, 257430306), (2, 128715153), (3, 85810102), (6, 42905051), (7, 36775758), (14, 18387879), (21, 12258586), (23, 11192622), (42, 6129293), (46, 5596311), (69, 3730874), (138, 1865437), (161, 1598946), (322, 799473), (483, 532982), (966, 266491)]