1216019

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 1505280

約数和(自身を除く): 289261

約数列:

[1, 7, 19, 41, 133, 223, 287, 779, 1561, 4237, 5453, 9143, 29659, 64001, 173717, 1216019]

約数ペア:

[(1, 1216019), (7, 173717), (19, 64001), (41, 29659), (133, 9143), (223, 5453), (287, 4237), (779, 1561)]