219919091

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{27107}}^1$

素因数の和:27194

約数の個数: 16

約数和(自身を含む): 268911360

約数和(自身を除く): 48992269

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 27107, 189749, 515033, 1653527, 3605231, 11574689, 31417013, 219919091]

約数ペア:

[(1, 219919091), (7, 31417013), (19, 11574689), (61, 3605231), (133, 1653527), (427, 515033), (1159, 189749), (8113, 27107)]