12252784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 25431408

約数和(自身を除く): 13178624

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 421, 428, 842, 856, 1684, 1712, 1819, 3368, 3638, 6736, 7157, 7276, 14314, 14552, 28628, 29104, 45047, 57256, 90094, 114512, 180188, 360376, 720752, 765799, 1531598, 3063196, 6126392, 12252784]

約数ペア:

[(1, 12252784), (2, 6126392), (4, 3063196), (8, 1531598), (16, 765799), (17, 720752), (34, 360376), (68, 180188), (107, 114512), (136, 90094), (214, 57256), (272, 45047), (421, 29104), (428, 28628), (842, 14552), (856, 14314), (1684, 7276), (1712, 7157), (1819, 6736), (3368, 3638)]