25989496

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 54021600

約数和(自身を除く): 28032104

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 338, 376, 409, 611, 676, 818, 1222, 1352, 1636, 2444, 3272, 4888, 5317, 7943, 10634, 15886, 19223, 21268, 31772, 38446, 42536, 63544, 69121, 76892, 138242, 153784, 249899, 276484, 499798, 552968, 999596, 1999192, 3248687, 6497374, 12994748, 25989496]

約数ペア:

[(1, 25989496), (2, 12994748), (4, 6497374), (8, 3248687), (13, 1999192), (26, 999596), (47, 552968), (52, 499798), (94, 276484), (104, 249899), (169, 153784), (188, 138242), (338, 76892), (376, 69121), (409, 63544), (611, 42536), (676, 38446), (818, 31772), (1222, 21268), (1352, 19223), (1636, 15886), (2444, 10634), (3272, 7943), (4888, 5317)]