290783521

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 364476672

約数和(自身を除く): 73693151

約数列:

[1, 7, 17, 41, 107, 119, 287, 557, 697, 749, 1819, 3899, 4387, 4879, 9469, 12733, 22837, 30709, 59599, 66283, 74579, 159859, 388229, 417193, 522053, 1013183, 2443559, 2717603, 7092281, 17104913, 41540503, 290783521]

約数ペア:

[(1, 290783521), (7, 41540503), (17, 17104913), (41, 7092281), (107, 2717603), (119, 2443559), (287, 1013183), (557, 522053), (697, 417193), (749, 388229), (1819, 159859), (3899, 74579), (4387, 66283), (4879, 59599), (9469, 30709), (12733, 22837)]