813503238

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1489}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 1761108480

約数和(自身を除く): 947605242

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 107, 111, 138, 214, 222, 321, 642, 851, 1489, 1702, 2461, 2553, 2978, 3959, 4467, 4922, 5106, 7383, 7918, 8934, 11877, 14766, 23754, 34247, 55093, 68494, 91057, 102741, 110186, 159323, 165279, 182114, 205482, 273171, 318646, 330558, 477969, 546342, 955938, 1267139, 2534278, 3664429, 3801417, 5894951, 7328858, 7602834, 10993287, 11789902, 17684853, 21986574, 35369706, 135583873, 271167746, 406751619, 813503238]

約数ペア:

[(1, 813503238), (2, 406751619), (3, 271167746), (6, 135583873), (23, 35369706), (37, 21986574), (46, 17684853), (69, 11789902), (74, 10993287), (107, 7602834), (111, 7328858), (138, 5894951), (214, 3801417), (222, 3664429), (321, 2534278), (642, 1267139), (851, 955938), (1489, 546342), (1702, 477969), (2461, 330558), (2553, 318646), (2978, 273171), (3959, 205482), (4467, 182114), (4922, 165279), (5106, 159323), (7383, 110186), (7918, 102741), (8934, 91057), (11877, 68494), (14766, 55093), (23754, 34247)]