854903005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4111}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 1184256000

約数和(自身を除く): 329352995

約数列:

[1, 5, 11, 19, 55, 95, 199, 209, 995, 1045, 2189, 3781, 4111, 10945, 18905, 20555, 41591, 45221, 78109, 207955, 226105, 390545, 818089, 859199, 4090445, 4295995, 8998979, 15543691, 44994895, 77718455, 170980601, 854903005]

約数ペア:

[(1, 854903005), (5, 170980601), (11, 77718455), (19, 44994895), (55, 15543691), (95, 8998979), (199, 4295995), (209, 4090445), (995, 859199), (1045, 818089), (2189, 390545), (3781, 226105), (4111, 207955), (10945, 78109), (18905, 45221), (20555, 41591)]