280282009

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{7159}}^1$

素因数の和:7237

約数の個数: 24

約数和(自身を含む): 352615680

約数和(自身を除く): 72333671

約数列:

[1, 7, 17, 47, 49, 119, 329, 799, 833, 2303, 5593, 7159, 39151, 50113, 121703, 336473, 350791, 851921, 2355311, 5720041, 5963447, 16487177, 40040287, 280282009]

約数ペア:

[(1, 280282009), (7, 40040287), (17, 16487177), (47, 5963447), (49, 5720041), (119, 2355311), (329, 851921), (799, 350791), (833, 336473), (2303, 121703), (5593, 50113), (7159, 39151)]