998288258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 1724405760

約数和(自身を除く): 726117502

約数列:

[1, 2, 11, 22, 43, 71, 86, 89, 142, 167, 178, 334, 473, 781, 946, 979, 1562, 1837, 1958, 3053, 3674, 3827, 6106, 6319, 7181, 7654, 11857, 12638, 14362, 14863, 23714, 29726, 33583, 42097, 67166, 69509, 78991, 84194, 130427, 139018, 157982, 163493, 260854, 271717, 326986, 509851, 543434, 639109, 1019702, 1055273, 1278218, 2110546, 2988887, 5608361, 5977774, 7030199, 11216722, 11608003, 14060398, 23216006, 45376739, 90753478, 499144129, 998288258]

約数ペア:

[(1, 998288258), (2, 499144129), (11, 90753478), (22, 45376739), (43, 23216006), (71, 14060398), (86, 11608003), (89, 11216722), (142, 7030199), (167, 5977774), (178, 5608361), (334, 2988887), (473, 2110546), (781, 1278218), (946, 1055273), (979, 1019702), (1562, 639109), (1837, 543434), (1958, 509851), (3053, 326986), (3674, 271717), (3827, 260854), (6106, 163493), (6319, 157982), (7181, 139018), (7654, 130427), (11857, 84194), (12638, 78991), (14362, 69509), (14863, 67166), (23714, 42097), (29726, 33583)]