248931475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7027}}^1$

素因数の和:7159

約数の個数: 24

約数和(自身を含む): 335516720

約数和(自身を除く): 86585245

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 7027, 7085, 35135, 35425, 91351, 175675, 456755, 765943, 2283775, 3829715, 9957259, 19148575, 49786295, 248931475]

約数ペア:

[(1, 248931475), (5, 49786295), (13, 19148575), (25, 9957259), (65, 3829715), (109, 2283775), (325, 765943), (545, 456755), (1417, 175675), (2725, 91351), (7027, 35425), (7085, 35135)]