65676065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 38833375

約数列:

[1, 5, 7, 13, 19, 35, 65, 71, 91, 95, 107, 133, 247, 355, 455, 497, 535, 665, 749, 923, 1235, 1349, 1391, 1729, 2033, 2485, 3745, 4615, 6461, 6745, 6955, 7597, 8645, 9443, 9737, 10165, 14231, 17537, 26429, 32305, 37985, 47215, 48685, 53179, 71155, 87685, 98761, 122759, 132145, 144343, 185003, 265895, 493805, 613795, 691327, 721715, 925015, 1010401, 1876459, 3456635, 5052005, 9382295, 13135213, 65676065]

約数ペア:

[(1, 65676065), (5, 13135213), (7, 9382295), (13, 5052005), (19, 3456635), (35, 1876459), (65, 1010401), (71, 925015), (91, 721715), (95, 691327), (107, 613795), (133, 493805), (247, 265895), (355, 185003), (455, 144343), (497, 132145), (535, 122759), (665, 98761), (749, 87685), (923, 71155), (1235, 53179), (1349, 48685), (1391, 47215), (1729, 37985), (2033, 32305), (2485, 26429), (3745, 17537), (4615, 14231), (6461, 10165), (6745, 9737), (6955, 9443), (7597, 8645)]