290468542

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{4421}}^1$

素因数の和:4481

約数の個数: 48

約数和(自身を含む): 566086752

約数和(自身を除く): 275618210

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 361, 494, 722, 1729, 2527, 3458, 4421, 4693, 5054, 8842, 9386, 30947, 32851, 57473, 61894, 65702, 83999, 114946, 167998, 402311, 587993, 804622, 1091987, 1175986, 1595981, 2183974, 3191962, 7643909, 11171867, 15287818, 20747753, 22343734, 41495506, 145234271, 290468542]

約数ペア:

[(1, 290468542), (2, 145234271), (7, 41495506), (13, 22343734), (14, 20747753), (19, 15287818), (26, 11171867), (38, 7643909), (91, 3191962), (133, 2183974), (182, 1595981), (247, 1175986), (266, 1091987), (361, 804622), (494, 587993), (722, 402311), (1729, 167998), (2527, 114946), (3458, 83999), (4421, 65702), (4693, 61894), (5054, 57473), (8842, 32851), (9386, 30947)]