25904318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 18004162

約数列:

[1, 2, 11, 22, 43, 86, 139, 197, 278, 394, 473, 946, 1529, 2167, 3058, 4334, 5977, 8471, 11954, 16942, 27383, 54766, 65747, 93181, 131494, 186362, 301213, 602426, 1177469, 2354938, 12952159, 25904318]

約数ペア:

[(1, 25904318), (2, 12952159), (11, 2354938), (22, 1177469), (43, 602426), (86, 301213), (139, 186362), (197, 131494), (278, 93181), (394, 65747), (473, 54766), (946, 27383), (1529, 16942), (2167, 11954), (3058, 8471), (4334, 5977)]