216913821695

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{20492567}}^1$

素因数の和:20492674

約数の個数: 16

約数和(自身を含む): 272961005760

約数和(自身を除く): 56047184065

約数列:

[1, 5, 29, 73, 145, 365, 2117, 10585, 20492567, 102462835, 594284443, 1495957391, 2971422215, 7479786955, 43382764339, 216913821695]

約数ペア:

[(1, 216913821695), (5, 43382764339), (29, 7479786955), (73, 2971422215), (145, 1495957391), (365, 594284443), (2117, 102462835), (10585, 20492567)]