211376879

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{18379}}^1$

素因数の和:18470

約数の個数: 16

約数和(自身を含む): 254085120

約数和(自身を除く): 42708241

約数列:

[1, 7, 31, 53, 217, 371, 1643, 11501, 18379, 128653, 569749, 974087, 3988243, 6818609, 30196697, 211376879]

約数ペア:

[(1, 211376879), (7, 30196697), (31, 6818609), (53, 3988243), (217, 974087), (371, 569749), (1643, 128653), (11501, 18379)]