289370354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 550851840

約数和(自身を除く): 261481486

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 131, 182, 229, 262, 371, 458, 689, 742, 917, 1378, 1603, 1703, 1834, 2977, 3206, 3406, 4823, 5954, 6943, 9646, 11921, 12137, 13886, 20839, 23842, 24274, 29999, 41678, 48601, 59998, 84959, 90259, 97202, 157781, 169918, 180518, 209993, 315562, 389987, 419986, 631813, 779974, 1104467, 1263626, 1589947, 2208934, 2729909, 3179894, 5459818, 11129629, 20669311, 22259258, 41338622, 144685177, 289370354]

約数ペア:

[(1, 289370354), (2, 144685177), (7, 41338622), (13, 22259258), (14, 20669311), (26, 11129629), (53, 5459818), (91, 3179894), (106, 2729909), (131, 2208934), (182, 1589947), (229, 1263626), (262, 1104467), (371, 779974), (458, 631813), (689, 419986), (742, 389987), (917, 315562), (1378, 209993), (1603, 180518), (1703, 169918), (1834, 157781), (2977, 97202), (3206, 90259), (3406, 84959), (4823, 59998), (5954, 48601), (6943, 41678), (9646, 29999), (11921, 24274), (12137, 23842), (13886, 20839)]