128417842

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{129193}}^1$

素因数の和:129273

約数の個数: 16

約数和(自身を含む): 223247232

約数和(自身を除く): 94829390

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 129193, 258386, 904351, 1808702, 9172703, 18345406, 64208921, 128417842]

約数ペア:

[(1, 128417842), (2, 64208921), (7, 18345406), (14, 9172703), (71, 1808702), (142, 904351), (497, 258386), (994, 129193)]