221002957

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{1949}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 256838400

約数和(自身を除く): 35835443

約数列:

[1, 7, 97, 167, 679, 1169, 1949, 13643, 16199, 113393, 189053, 325483, 1323371, 2278381, 31571851, 221002957]

約数ペア:

[(1, 221002957), (7, 31571851), (97, 2278381), (167, 1323371), (679, 325483), (1169, 189053), (1949, 113393), (13643, 16199)]