28993601

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 38572800

約数和(自身を除く): 9579199

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 409, 533, 779, 1729, 2863, 3731, 5317, 5453, 7771, 10127, 16769, 37219, 54397, 70889, 101023, 117383, 217997, 318611, 707161, 1525979, 2230277, 4141943, 28993601]

約数ペア:

[(1, 28993601), (7, 4141943), (13, 2230277), (19, 1525979), (41, 707161), (91, 318611), (133, 217997), (247, 117383), (287, 101023), (409, 70889), (533, 54397), (779, 37219), (1729, 16769), (2863, 10127), (3731, 7771), (5317, 5453)]