12780944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 27319680

約数和(自身を除く): 14538736

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 719, 808, 1111, 1438, 1616, 2222, 2876, 4444, 5752, 7909, 8888, 11504, 15818, 17776, 31636, 63272, 72619, 126544, 145238, 290476, 580952, 798809, 1161904, 1597618, 3195236, 6390472, 12780944]

約数ペア:

[(1, 12780944), (2, 6390472), (4, 3195236), (8, 1597618), (11, 1161904), (16, 798809), (22, 580952), (44, 290476), (88, 145238), (101, 126544), (176, 72619), (202, 63272), (404, 31636), (719, 17776), (808, 15818), (1111, 11504), (1438, 8888), (1616, 7909), (2222, 5752), (2876, 4444)]