217613878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{14281}}^1$

素因数の和:14703

約数の個数: 16

約数和(自身を含む): 344481840

約数和(自身を除く): 126867962

約数列:

[1, 2, 19, 38, 401, 802, 7619, 14281, 15238, 28562, 271339, 542678, 5726681, 11453362, 108806939, 217613878]

約数ペア:

[(1, 217613878), (2, 108806939), (19, 11453362), (38, 5726681), (401, 542678), (802, 271339), (7619, 28562), (14281, 15238)]