53500139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 73737216

約数和(自身を除く): 20237077

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 1777, 2737, 4301, 12439, 19547, 30107, 30209, 40871, 136829, 211463, 286097, 332299, 449581, 694807, 2326093, 3147067, 4863649, 7642877, 53500139]

約数ペア:

[(1, 53500139), (7, 7642877), (11, 4863649), (17, 3147067), (23, 2326093), (77, 694807), (119, 449581), (161, 332299), (187, 286097), (253, 211463), (391, 136829), (1309, 40871), (1771, 30209), (1777, 30107), (2737, 19547), (4301, 12439)]