1900905215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1\times {\mathrm{13591}}^1$

素因数の和:16150

約数の個数: 16

約数和(自身を含む): 2489619456

約数和(自身を除く): 588714241

約数列:

[1, 5, 11, 55, 2543, 12715, 13591, 27973, 67955, 139865, 149501, 747505, 34561913, 172809565, 380181043, 1900905215]

約数ペア:

[(1, 1900905215), (5, 380181043), (11, 172809565), (55, 34561913), (2543, 747505), (12715, 149501), (13591, 139865), (27973, 67955)]