198016810

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{63671}}^1$

素因数の和:63989

約数の個数: 16

約数和(自身を含む): 357581952

約数和(自身を除く): 159565142

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 63671, 127342, 318355, 636710, 19801681, 39603362, 99008405, 198016810]

約数ペア:

[(1, 198016810), (2, 99008405), (5, 39603362), (10, 19801681), (311, 636710), (622, 318355), (1555, 127342), (3110, 63671)]