28817509

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{557}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 34819200

約数和(自身を除く): 6001691

約数列:

[1, 7, 19, 133, 389, 557, 2723, 3899, 7391, 10583, 51737, 74081, 216673, 1516711, 4116787, 28817509]

約数ペア:

[(1, 28817509), (7, 4116787), (19, 1516711), (133, 216673), (389, 74081), (557, 51737), (2723, 10583), (3899, 7391)]