99187775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{557}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 130772880

約数和(自身を除く): 31585105

約数列:

[1, 5, 17, 25, 85, 419, 425, 557, 2095, 2785, 7123, 9469, 10475, 13925, 35615, 47345, 178075, 233383, 236725, 1166915, 3967511, 5834575, 19837555, 99187775]

約数ペア:

[(1, 99187775), (5, 19837555), (17, 5834575), (25, 3967511), (85, 1166915), (419, 236725), (425, 233383), (557, 178075), (2095, 47345), (2785, 35615), (7123, 13925), (9469, 10475)]