28576790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3659}}^1$

素因数の和:3748

約数の個数: 32

約数和(自身を含む): 56920320

約数和(自身を除く): 28343530

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3659, 3905, 7318, 7810, 18295, 36590, 40249, 80498, 201245, 259789, 402490, 519578, 1298945, 2597890, 2857679, 5715358, 14288395, 28576790]

約数ペア:

[(1, 28576790), (2, 14288395), (5, 5715358), (10, 2857679), (11, 2597890), (22, 1298945), (55, 519578), (71, 402490), (110, 259789), (142, 201245), (355, 80498), (710, 40249), (781, 36590), (1562, 18295), (3659, 7810), (3905, 7318)]