28140109

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 2186291

約数列:

[1, 23, 59, 89, 233, 1357, 2047, 5251, 5359, 13747, 20737, 120773, 316181, 476951, 1223483, 28140109]

約数ペア:

[(1, 28140109), (23, 1223483), (59, 476951), (89, 316181), (233, 120773), (1357, 20737), (2047, 13747), (5251, 5359)]