247292353

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 351406080

約数和(自身を除く): 104113727

約数列:

[1, 7, 11, 17, 19, 61, 77, 119, 133, 163, 187, 209, 323, 427, 671, 1037, 1141, 1159, 1309, 1463, 1793, 2261, 2771, 3097, 3553, 4697, 7259, 8113, 9943, 11407, 12551, 12749, 19397, 19703, 21679, 24871, 30481, 34067, 52649, 69601, 79849, 89243, 109373, 137921, 169031, 188917, 213367, 216733, 238469, 368543, 579139, 765611, 1183217, 1322419, 1517131, 1859341, 2078087, 3211589, 4053973, 13015387, 14546609, 22481123, 35327479, 247292353]

約数ペア:

[(1, 247292353), (7, 35327479), (11, 22481123), (17, 14546609), (19, 13015387), (61, 4053973), (77, 3211589), (119, 2078087), (133, 1859341), (163, 1517131), (187, 1322419), (209, 1183217), (323, 765611), (427, 579139), (671, 368543), (1037, 238469), (1141, 216733), (1159, 213367), (1309, 188917), (1463, 169031), (1793, 137921), (2261, 109373), (2771, 89243), (3097, 79849), (3553, 69601), (4697, 52649), (7259, 34067), (8113, 30481), (9943, 24871), (11407, 21679), (12551, 19703), (12749, 19397)]