293758270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20731}}^1$

素因数の和:20860

約数の個数: 32

約数和(自身を含む): 574691040

約数和(自身を除く): 280932770

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 7085, 14170, 20731, 41462, 103655, 207310, 269503, 539006, 1347515, 2259679, 2695030, 4519358, 11298395, 22596790, 29375827, 58751654, 146879135, 293758270]

約数ペア:

[(1, 293758270), (2, 146879135), (5, 58751654), (10, 29375827), (13, 22596790), (26, 11298395), (65, 4519358), (109, 2695030), (130, 2259679), (218, 1347515), (545, 539006), (1090, 269503), (1417, 207310), (2834, 103655), (7085, 41462), (14170, 20731)]