217430906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1411889}}^1$

素因数の和:1411909

約数の個数: 16

約数和(自身を含む): 406624320

約数和(自身を除く): 189193414

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1411889, 2823778, 9883223, 15530779, 19766446, 31061558, 108715453, 217430906]

約数ペア:

[(1, 217430906), (2, 108715453), (7, 31061558), (11, 19766446), (14, 15530779), (22, 9883223), (77, 2823778), (154, 1411889)]