221229743

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{1951}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 257101824

約数和(自身を除く): 35872081

約数列:

[1, 7, 97, 167, 679, 1169, 1951, 13657, 16199, 113393, 189247, 325817, 1324729, 2280719, 31604249, 221229743]

約数ペア:

[(1, 221229743), (7, 31604249), (97, 2280719), (167, 1324729), (679, 325817), (1169, 189247), (1951, 113393), (13657, 16199)]