8520281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 11778048

約数和(自身を除く): 3257767

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 283, 391, 1309, 1771, 1981, 2737, 3113, 4301, 4811, 6509, 21791, 30107, 33677, 45563, 52921, 71599, 110653, 370447, 501193, 774571, 1217183, 8520281]

約数ペア:

[(1, 8520281), (7, 1217183), (11, 774571), (17, 501193), (23, 370447), (77, 110653), (119, 71599), (161, 52921), (187, 45563), (253, 33677), (283, 30107), (391, 21791), (1309, 6509), (1771, 4811), (1981, 4301), (2737, 3113)]