209898338

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{11717}}^1$

素因数の和:11798

約数の個数: 24

約数和(自身を含む): 347391828

約数和(自身を除く): 137493490

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 689, 1378, 8957, 11717, 17914, 23434, 152321, 304642, 621001, 1242002, 1980173, 3960346, 8073013, 16146026, 104949169, 209898338]

約数ペア:

[(1, 209898338), (2, 104949169), (13, 16146026), (26, 8073013), (53, 3960346), (106, 1980173), (169, 1242002), (338, 621001), (689, 304642), (1378, 152321), (8957, 23434), (11717, 17914)]