278324977

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{72161}}^1$

素因数の和:72216

約数の個数: 16

約数和(自身を含む): 346377600

約数和(自身を除く): 68052623

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 72161, 505127, 1371059, 2092669, 9597413, 14648683, 39760711, 278324977]

約数ペア:

[(1, 278324977), (7, 39760711), (19, 14648683), (29, 9597413), (133, 2092669), (203, 1371059), (551, 505127), (3857, 72161)]