1800156985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{7151}}^1$

素因数の和:7389

約数の個数: 32

約数和(自身を含む): 2471731200

約数和(自身を除く): 671574215

約数列:

[1, 5, 11, 23, 55, 115, 199, 253, 995, 1265, 2189, 4577, 7151, 10945, 22885, 35755, 50347, 78661, 164473, 251735, 393305, 822365, 1423049, 1809203, 7115245, 9046015, 15653539, 32730127, 78267695, 163650635, 360031397, 1800156985]

約数ペア:

[(1, 1800156985), (5, 360031397), (11, 163650635), (23, 78267695), (55, 32730127), (115, 15653539), (199, 9046015), (253, 7115245), (995, 1809203), (1265, 1423049), (2189, 822365), (4577, 393305), (7151, 251735), (10945, 164473), (22885, 78661), (35755, 50347)]