213907199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{17989}}^1$

素因数の和:18070

約数の個数: 16

約数和(自身を含む): 248693760

約数和(自身を除く): 34786561

約数列:

[1, 11, 23, 47, 253, 517, 1081, 11891, 17989, 197879, 413747, 845483, 4551217, 9300313, 19446109, 213907199]

約数ペア:

[(1, 213907199), (11, 19446109), (23, 9300313), (47, 4551217), (253, 845483), (517, 413747), (1081, 197879), (11891, 17989)]