28989772

素因数分解:

$2^2\times 7^2\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:790

約数の個数: 36

約数和(自身を含む): 59323320

約数和(自身を除く): 30333548

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 353, 419, 706, 838, 1412, 1676, 2471, 2933, 4942, 5866, 9884, 11732, 17297, 20531, 34594, 41062, 69188, 82124, 147907, 295814, 591628, 1035349, 2070698, 4141396, 7247443, 14494886, 28989772]

約数ペア:

[(1, 28989772), (2, 14494886), (4, 7247443), (7, 4141396), (14, 2070698), (28, 1035349), (49, 591628), (98, 295814), (196, 147907), (353, 82124), (419, 69188), (706, 41062), (838, 34594), (1412, 20531), (1676, 17297), (2471, 11732), (2933, 9884), (4942, 5866)]