211397681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{9973}}^1$

素因数の和:10072

約数の個数: 16

約数和(自身を含む): 241291008

約数和(自身を除く): 29893327

約数列:

[1, 11, 41, 47, 451, 517, 1927, 9973, 21197, 109703, 408893, 468731, 4497823, 5156041, 19217971, 211397681]

約数ペア:

[(1, 211397681), (11, 19217971), (41, 5156041), (47, 4497823), (451, 468731), (517, 408893), (1927, 109703), (9973, 21197)]