647372017

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1\times {\mathrm{797}}^1$

素因数の和:1620

約数の個数: 16

約数和(自身を含む): 689567760

約数和(自身を除く): 42195743

約数列:

[1, 29, 37, 757, 797, 1073, 21953, 23113, 28009, 29489, 603329, 812261, 855181, 17496541, 22323173, 647372017]

約数ペア:

[(1, 647372017), (29, 22323173), (37, 17496541), (757, 855181), (797, 812261), (1073, 603329), (21953, 29489), (23113, 28009)]