16561886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 12178210

約数列:

[1, 2, 11, 22, 23, 46, 71, 142, 253, 461, 506, 781, 922, 1562, 1633, 3266, 5071, 10142, 10603, 17963, 21206, 32731, 35926, 65462, 116633, 233266, 360041, 720082, 752813, 1505626, 8280943, 16561886]

約数ペア:

[(1, 16561886), (2, 8280943), (11, 1505626), (22, 752813), (23, 720082), (46, 360041), (71, 233266), (142, 116633), (253, 65462), (461, 35926), (506, 32731), (781, 21206), (922, 17963), (1562, 10603), (1633, 10142), (3266, 5071)]