66890165

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 87920640

約数和(自身を除く): 21030475

約数列:

[1, 5, 19, 47, 71, 95, 211, 235, 355, 893, 1055, 1349, 3337, 4009, 4465, 6745, 9917, 14981, 16685, 20045, 49585, 63403, 74905, 188423, 284639, 317015, 704107, 942115, 1423195, 3520535, 13378033, 66890165]

約数ペア:

[(1, 66890165), (5, 13378033), (19, 3520535), (47, 1423195), (71, 942115), (95, 704107), (211, 317015), (235, 284639), (355, 188423), (893, 74905), (1055, 63403), (1349, 49585), (3337, 20045), (4009, 16685), (4465, 14981), (6745, 9917)]