53575775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 74214000

約数和(自身を除く): 20638225

約数列:

[1, 5, 11, 25, 55, 89, 121, 199, 275, 445, 605, 979, 995, 2189, 2225, 3025, 4895, 4975, 10769, 10945, 17711, 24079, 24475, 53845, 54725, 88555, 120395, 194821, 269225, 442775, 601975, 974105, 2143031, 4870525, 10715155, 53575775]

約数ペア:

[(1, 53575775), (5, 10715155), (11, 4870525), (25, 2143031), (55, 974105), (89, 601975), (121, 442775), (199, 269225), (275, 194821), (445, 120395), (605, 88555), (979, 54725), (995, 53845), (2189, 24475), (2225, 24079), (3025, 17711), (4895, 10945), (4975, 10769)]