201615665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 264591360

約数和(自身を除く): 62975695

約数列:

[1, 5, 17, 47, 85, 109, 235, 463, 545, 799, 1853, 2315, 3995, 5123, 7871, 9265, 21761, 25615, 39355, 50467, 87091, 108805, 252335, 369937, 435455, 857939, 1849685, 2371949, 4289695, 11859745, 40323133, 201615665]

約数ペア:

[(1, 201615665), (5, 40323133), (17, 11859745), (47, 4289695), (85, 2371949), (109, 1849685), (235, 857939), (463, 435455), (545, 369937), (799, 252335), (1853, 108805), (2315, 87091), (3995, 50467), (5123, 39355), (7871, 25615), (9265, 21761)]