25761498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 61212672

約数和(自身を除く): 35451174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 71, 106, 142, 159, 163, 213, 318, 326, 371, 426, 489, 497, 742, 978, 994, 1113, 1141, 1491, 2226, 2282, 2982, 3423, 3763, 6846, 7526, 8639, 11289, 11573, 17278, 22578, 23146, 25917, 26341, 34719, 51834, 52682, 60473, 69438, 79023, 81011, 120946, 158046, 162022, 181419, 243033, 362838, 486066, 613369, 1226738, 1840107, 3680214, 4293583, 8587166, 12880749, 25761498]

約数ペア:

[(1, 25761498), (2, 12880749), (3, 8587166), (6, 4293583), (7, 3680214), (14, 1840107), (21, 1226738), (42, 613369), (53, 486066), (71, 362838), (106, 243033), (142, 181419), (159, 162022), (163, 158046), (213, 120946), (318, 81011), (326, 79023), (371, 69438), (426, 60473), (489, 52682), (497, 51834), (742, 34719), (978, 26341), (994, 25917), (1113, 23146), (1141, 22578), (1491, 17278), (2226, 11573), (2282, 11289), (2982, 8639), (3423, 7526), (3763, 6846)]