28848365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 17600275

約数列:

[1, 5, 7, 13, 19, 35, 47, 65, 71, 91, 95, 133, 235, 247, 329, 355, 455, 497, 611, 665, 893, 923, 1235, 1349, 1645, 1729, 2485, 3055, 3337, 4277, 4465, 4615, 6251, 6461, 6745, 8645, 9443, 11609, 16685, 17537, 21385, 23359, 31255, 32305, 43381, 47215, 58045, 63403, 81263, 87685, 116795, 122759, 216905, 303667, 317015, 406315, 443821, 613795, 824239, 1518335, 2219105, 4121195, 5769673, 28848365]

約数ペア:

[(1, 28848365), (5, 5769673), (7, 4121195), (13, 2219105), (19, 1518335), (35, 824239), (47, 613795), (65, 443821), (71, 406315), (91, 317015), (95, 303667), (133, 216905), (235, 122759), (247, 116795), (329, 87685), (355, 81263), (455, 63403), (497, 58045), (611, 47215), (665, 43381), (893, 32305), (923, 31255), (1235, 23359), (1349, 21385), (1645, 17537), (1729, 16685), (2485, 11609), (3055, 9443), (3337, 8645), (4277, 6745), (4465, 6461), (4615, 6251)]