28908775

素因数分解:

$5^2\times 7^2\times {\mathrm{23599}}^1$

素因数の和:23623

約数の個数: 18

約数和(自身を含む): 41701200

約数和(自身を除く): 12792425

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 23599, 117995, 165193, 589975, 825965, 1156351, 4129825, 5781755, 28908775]

約数ペア:

[(1, 28908775), (5, 5781755), (7, 4129825), (25, 1156351), (35, 825965), (49, 589975), (175, 165193), (245, 117995), (1225, 23599)]