51978992

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 111644640

約数和(自身を除く): 59665648

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 169, 188, 208, 338, 376, 409, 611, 676, 752, 818, 1222, 1352, 1636, 2444, 2704, 3272, 4888, 5317, 6544, 7943, 9776, 10634, 15886, 19223, 21268, 31772, 38446, 42536, 63544, 69121, 76892, 85072, 127088, 138242, 153784, 249899, 276484, 307568, 499798, 552968, 999596, 1105936, 1999192, 3248687, 3998384, 6497374, 12994748, 25989496, 51978992]

約数ペア:

[(1, 51978992), (2, 25989496), (4, 12994748), (8, 6497374), (13, 3998384), (16, 3248687), (26, 1999192), (47, 1105936), (52, 999596), (94, 552968), (104, 499798), (169, 307568), (188, 276484), (208, 249899), (338, 153784), (376, 138242), (409, 127088), (611, 85072), (676, 76892), (752, 69121), (818, 63544), (1222, 42536), (1352, 38446), (1636, 31772), (2444, 21268), (2704, 19223), (3272, 15886), (4888, 10634), (5317, 9776), (6544, 7943)]