27955990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{164447}}^1$

素因数の和:164471

約数の個数: 16

約数和(自身を含む): 53281152

約数和(自身を除く): 25325162

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 164447, 328894, 822235, 1644470, 2795599, 5591198, 13977995, 27955990]

約数ペア:

[(1, 27955990), (2, 13977995), (5, 5591198), (10, 2795599), (17, 1644470), (34, 822235), (85, 328894), (170, 164447)]