279743255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 374976000

約数和(自身を除く): 95232745

約数列:

[1, 5, 11, 55, 61, 199, 305, 419, 671, 995, 2095, 2189, 3355, 4609, 10945, 12139, 23045, 25559, 60695, 83381, 127795, 133529, 281149, 416905, 667645, 917191, 1405745, 4585955, 5086241, 25431205, 55948651, 279743255]

約数ペア:

[(1, 279743255), (5, 55948651), (11, 25431205), (55, 5086241), (61, 4585955), (199, 1405745), (305, 917191), (419, 667645), (671, 416905), (995, 281149), (2095, 133529), (2189, 127795), (3355, 83381), (4609, 60695), (10945, 25559), (12139, 23045)]