11990654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4231}}^1$

素因数の和:4355

約数の個数: 16

約数和(自身を含む): 19551840

約数和(自身を除く): 7561186

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 4231, 8462, 55003, 110006, 461179, 922358, 5995327, 11990654]

約数ペア:

[(1, 11990654), (2, 5995327), (13, 922358), (26, 461179), (109, 110006), (218, 55003), (1417, 8462), (2834, 4231)]