28490861

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12601}}^1$

素因数の和:12644

約数の個数: 16

約数和(自身を含む): 36293760

約数和(自身を除く): 7802899

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 12601, 88207, 214217, 239419, 1499519, 1675933, 4070123, 28490861]

約数ペア:

[(1, 28490861), (7, 4070123), (17, 1675933), (19, 1499519), (119, 239419), (133, 214217), (323, 88207), (2261, 12601)]