247143652

素因数分解:

$2^2\times 7^2\times {\mathrm{349}}^1\times {\mathrm{3613}}^1$

素因数の和:3980

約数の個数: 36

約数和(自身を含む): 504695100

約数和(自身を除く): 257551448

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 349, 698, 1396, 2443, 3613, 4886, 7226, 9772, 14452, 17101, 25291, 34202, 50582, 68404, 101164, 177037, 354074, 708148, 1260937, 2521874, 5043748, 8826559, 17653118, 35306236, 61785913, 123571826, 247143652]

約数ペア:

[(1, 247143652), (2, 123571826), (4, 61785913), (7, 35306236), (14, 17653118), (28, 8826559), (49, 5043748), (98, 2521874), (196, 1260937), (349, 708148), (698, 354074), (1396, 177037), (2443, 101164), (3613, 68404), (4886, 50582), (7226, 34202), (9772, 25291), (14452, 17101)]