800550205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{24781}}^1$

素因数の和:24877

約数の個数: 32

約数和(自身を含む): 1199052288

約数和(自身を除く): 398502083

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2485, 4615, 6461, 24781, 32305, 123905, 173467, 322153, 867335, 1610765, 1759451, 2255071, 8797255, 11275355, 12316157, 22872863, 61580785, 114364315, 160110041, 800550205]

約数ペア:

[(1, 800550205), (5, 160110041), (7, 114364315), (13, 61580785), (35, 22872863), (65, 12316157), (71, 11275355), (91, 8797255), (355, 2255071), (455, 1759451), (497, 1610765), (923, 867335), (2485, 322153), (4615, 173467), (6461, 123905), (24781, 32305)]