2647973665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1\times {\mathrm{647}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 3405265920

約数和(自身を除く): 757292255

約数列:

[1, 5, 19, 67, 95, 335, 643, 647, 1273, 3215, 3235, 6365, 12217, 12293, 43081, 43349, 61085, 61465, 215405, 216745, 416021, 818539, 823631, 2080105, 4092695, 4118155, 7904399, 27873407, 39521995, 139367035, 529594733, 2647973665]

約数ペア:

[(1, 2647973665), (5, 529594733), (19, 139367035), (67, 39521995), (95, 27873407), (335, 7904399), (643, 4118155), (647, 4092695), (1273, 2080105), (3215, 823631), (3235, 818539), (6365, 416021), (12217, 216745), (12293, 215405), (43081, 61465), (43349, 61085)]