254637305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4903}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 355912704

約数和(自身を除く): 101275399

約数列:

[1, 5, 13, 17, 47, 65, 85, 221, 235, 611, 799, 1105, 3055, 3995, 4903, 10387, 24515, 51935, 63739, 83351, 230441, 318695, 416755, 1083563, 1152205, 2995733, 3917497, 5417815, 14978665, 19587485, 50927461, 254637305]

約数ペア:

[(1, 254637305), (5, 50927461), (13, 19587485), (17, 14978665), (47, 5417815), (65, 3917497), (85, 2995733), (221, 1152205), (235, 1083563), (611, 416755), (799, 318695), (1105, 230441), (3055, 83351), (3995, 63739), (4903, 51935), (10387, 24515)]