20171288221

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{83339}}^1$

素因数の和:83904

約数の個数: 16

約数和(自身を含む): 23425873920

約数和(自身を除く): 3254585699

約数列:

[1, 7, 71, 487, 497, 3409, 34577, 83339, 242039, 583373, 5917069, 40586093, 41419483, 284102651, 2881612603, 20171288221]

約数ペア:

[(1, 20171288221), (7, 2881612603), (71, 284102651), (487, 41419483), (497, 40586093), (3409, 5917069), (34577, 583373), (83339, 242039)]