261768414

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 574560000

約数和(自身を除く): 312791586

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 139, 222, 278, 417, 499, 629, 834, 998, 1258, 1497, 1887, 2363, 2994, 3774, 4726, 5143, 7089, 8483, 10286, 14178, 15429, 16966, 18463, 25449, 30858, 36926, 50898, 55389, 69361, 87431, 110778, 138722, 174862, 208083, 262293, 313871, 416166, 524586, 627742, 941613, 1179137, 1883226, 2358274, 2566357, 3537411, 5132714, 7074822, 7699071, 15398142, 43628069, 87256138, 130884207, 261768414]

約数ペア:

[(1, 261768414), (2, 130884207), (3, 87256138), (6, 43628069), (17, 15398142), (34, 7699071), (37, 7074822), (51, 5132714), (74, 3537411), (102, 2566357), (111, 2358274), (139, 1883226), (222, 1179137), (278, 941613), (417, 627742), (499, 524586), (629, 416166), (834, 313871), (998, 262293), (1258, 208083), (1497, 174862), (1887, 138722), (2363, 110778), (2994, 87431), (3774, 69361), (4726, 55389), (5143, 50898), (7089, 36926), (8483, 30858), (10286, 25449), (14178, 18463), (15429, 16966)]