215757568

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{4987}}^1$

素因数の和:5029

約数の個数: 54

約数和(自身を含む): 466442844

約数和(自身を除く): 250685276

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2704, 3328, 4987, 5408, 9974, 10816, 19948, 21632, 39896, 43264, 64831, 79792, 129662, 159584, 259324, 319168, 518648, 638336, 842803, 1037296, 1276672, 1685606, 2074592, 3371212, 4149184, 6742424, 8298368, 13484848, 16596736, 26969696, 53939392, 107878784, 215757568]

約数ペア:

[(1, 215757568), (2, 107878784), (4, 53939392), (8, 26969696), (13, 16596736), (16, 13484848), (26, 8298368), (32, 6742424), (52, 4149184), (64, 3371212), (104, 2074592), (128, 1685606), (169, 1276672), (208, 1037296), (256, 842803), (338, 638336), (416, 518648), (676, 319168), (832, 259324), (1352, 159584), (1664, 129662), (2704, 79792), (3328, 64831), (4987, 43264), (5408, 39896), (9974, 21632), (10816, 19948)]