17984813

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 23239584

約数和(自身を除く): 5254771

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 547, 671, 2989, 3829, 4697, 6017, 26803, 32879, 33367, 42119, 233569, 294833, 367037, 1634983, 2569259, 17984813]

約数ペア:

[(1, 17984813), (7, 2569259), (11, 1634983), (49, 367037), (61, 294833), (77, 233569), (427, 42119), (539, 33367), (547, 32879), (671, 26803), (2989, 6017), (3829, 4697)]