216864005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{5153}}^1$

素因数の和:5620

約数の個数: 16

約数和(自身を含む): 274605120

約数和(自身を除く): 57741115

約数列:

[1, 5, 19, 95, 443, 2215, 5153, 8417, 25765, 42085, 97907, 489535, 2282779, 11413895, 43372801, 216864005]

約数ペア:

[(1, 216864005), (5, 43372801), (19, 11413895), (95, 2282779), (443, 489535), (2215, 97907), (5153, 42085), (8417, 25765)]