201818128

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{340909}}^1$

素因数の和:340954

約数の個数: 20

約数和(自身を含む): 401591980

約数和(自身を除く): 199773852

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 340909, 681818, 1363636, 2727272, 5454544, 12613633, 25227266, 50454532, 100909064, 201818128]

約数ペア:

[(1, 201818128), (2, 100909064), (4, 50454532), (8, 25227266), (16, 12613633), (37, 5454544), (74, 2727272), (148, 1363636), (296, 681818), (592, 340909)]