257156944

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{6991}}^1$

素因数の和:7040

約数の個数: 60

約数和(自身を含む): 576560320

約数和(自身を除く): 319403376

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 836, 968, 1672, 1936, 2299, 3344, 4598, 6991, 9196, 13982, 18392, 27964, 36784, 55928, 76901, 111856, 132829, 153802, 265658, 307604, 531316, 615208, 845911, 1062632, 1230416, 1461119, 1691822, 2125264, 2922238, 3383644, 5844476, 6767288, 11688952, 13534576, 16072309, 23377904, 32144618, 64289236, 128578472, 257156944]

約数ペア:

[(1, 257156944), (2, 128578472), (4, 64289236), (8, 32144618), (11, 23377904), (16, 16072309), (19, 13534576), (22, 11688952), (38, 6767288), (44, 5844476), (76, 3383644), (88, 2922238), (121, 2125264), (152, 1691822), (176, 1461119), (209, 1230416), (242, 1062632), (304, 845911), (418, 615208), (484, 531316), (836, 307604), (968, 265658), (1672, 153802), (1936, 132829), (2299, 111856), (3344, 76901), (4598, 55928), (6991, 36784), (9196, 27964), (13982, 18392)]