201988702993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{43003769}}^1$

素因数の和:43003848

約数の個数: 16

約数和(自身を含む): 255958439040

約数和(自身を除く): 53969736047

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 43003769, 301026383, 473041459, 2623229909, 3311290213, 18362609363, 28855528999, 201988702993]

約数ペア:

[(1, 201988702993), (7, 28855528999), (11, 18362609363), (61, 3311290213), (77, 2623229909), (427, 473041459), (671, 301026383), (4697, 43003769)]