51338406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1901}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 117589248

約数和(自身を除く): 66250842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 1286, 1901, 1929, 3802, 3858, 4501, 5703, 9002, 11406, 13307, 13503, 26614, 27006, 39921, 79842, 1222343, 2444686, 3667029, 7334058, 8556401, 17112802, 25669203, 51338406]

約数ペア:

[(1, 51338406), (2, 25669203), (3, 17112802), (6, 8556401), (7, 7334058), (14, 3667029), (21, 2444686), (42, 1222343), (643, 79842), (1286, 39921), (1901, 27006), (1929, 26614), (3802, 13503), (3858, 13307), (4501, 11406), (5703, 9002)]