68421199

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 88293456

約数和(自身を除く): 19872257

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 671, 2081, 2989, 4697, 14567, 22891, 32879, 101969, 126941, 160237, 888587, 1121659, 1396351, 6220109, 9774457, 68421199]

約数ペア:

[(1, 68421199), (7, 9774457), (11, 6220109), (49, 1396351), (61, 1121659), (77, 888587), (427, 160237), (539, 126941), (671, 101969), (2081, 32879), (2989, 22891), (4697, 14567)]