16204955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 21608496

約数和(自身を除く): 5403541

約数列:

[1, 5, 13, 61, 65, 67, 305, 335, 793, 871, 3721, 3965, 4087, 4355, 18605, 20435, 48373, 53131, 241865, 249307, 265655, 1246535, 3240991, 16204955]

約数ペア:

[(1, 16204955), (5, 3240991), (13, 1246535), (61, 265655), (65, 249307), (67, 241865), (305, 53131), (335, 48373), (793, 20435), (871, 18605), (3721, 4355), (3965, 4087)]