28264955

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 34728960

約数和(自身を除く): 6464005

約数列:

[1, 5, 67, 139, 335, 607, 695, 3035, 9313, 40669, 46565, 84373, 203345, 421865, 5652991, 28264955]

約数ペア:

[(1, 28264955), (5, 5652991), (67, 421865), (139, 203345), (335, 84373), (607, 46565), (695, 40669), (3035, 9313)]