28918855

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43487}}^1$

素因数の和:43518

約数の個数: 16

約数和(自身を含む): 41748480

約数和(自身を除く): 12829625

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 43487, 217435, 304409, 826253, 1522045, 4131265, 5783771, 28918855]

約数ペア:

[(1, 28918855), (5, 5783771), (7, 4131265), (19, 1522045), (35, 826253), (95, 304409), (133, 217435), (665, 43487)]