287305902

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{17293}}^1$

素因数の和:17385

約数の個数: 48

約数和(自身を含む): 679861728

約数和(自身を除く): 392555826

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 17293, 34586, 51879, 103758, 155637, 224809, 311274, 449618, 674427, 1227803, 1348854, 2023281, 2455606, 3683409, 4046562, 7366818, 11050227, 15961439, 22100454, 31922878, 47884317, 95768634, 143652951, 287305902]

約数ペア:

[(1, 287305902), (2, 143652951), (3, 95768634), (6, 47884317), (9, 31922878), (13, 22100454), (18, 15961439), (26, 11050227), (39, 7366818), (71, 4046562), (78, 3683409), (117, 2455606), (142, 2023281), (213, 1348854), (234, 1227803), (426, 674427), (639, 449618), (923, 311274), (1278, 224809), (1846, 155637), (2769, 103758), (5538, 51879), (8307, 34586), (16614, 17293)]