81192644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 155671236

約数和(自身を除く): 74478592

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 293, 586, 949, 1172, 1898, 3796, 3809, 5329, 7618, 10658, 15236, 21316, 21389, 42778, 69277, 85556, 138554, 277108, 278057, 556114, 1112228, 1561397, 3122794, 6245588, 20298161, 40596322, 81192644]

約数ペア:

[(1, 81192644), (2, 40596322), (4, 20298161), (13, 6245588), (26, 3122794), (52, 1561397), (73, 1112228), (146, 556114), (292, 278057), (293, 277108), (586, 138554), (949, 85556), (1172, 69277), (1898, 42778), (3796, 21389), (3809, 21316), (5329, 15236), (7618, 10658)]