219521354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{272359}}^1$

素因数の和:272405

約数の個数: 16

約数和(自身を含む): 366051840

約数和(自身を除く): 146530486

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 272359, 544718, 3540667, 7081334, 8443129, 16886258, 109760677, 219521354]

約数ペア:

[(1, 219521354), (2, 109760677), (13, 16886258), (26, 8443129), (31, 7081334), (62, 3540667), (403, 544718), (806, 272359)]