42207209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 9684631

約数列:

[1, 11, 17, 29, 43, 181, 187, 319, 473, 493, 731, 1247, 1991, 3077, 5249, 5423, 7783, 8041, 13717, 21199, 33847, 57739, 85613, 89233, 132311, 225707, 233189, 981563, 1455421, 2482777, 3837019, 42207209]

約数ペア:

[(1, 42207209), (11, 3837019), (17, 2482777), (29, 1455421), (43, 981563), (181, 233189), (187, 225707), (319, 132311), (473, 89233), (493, 85613), (731, 57739), (1247, 33847), (1991, 21199), (3077, 13717), (5249, 8041), (5423, 7783)]