486440591

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20639}}^1$

素因数の和:20703

約数の個数: 24

約数和(自身を含む): 625887360

約数和(自身を除く): 139446769

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 1813, 3367, 20639, 23569, 144473, 268307, 763643, 1011311, 1878149, 5345501, 9927359, 13147043, 37418507, 69491513, 486440591]

約数ペア:

[(1, 486440591), (7, 69491513), (13, 37418507), (37, 13147043), (49, 9927359), (91, 5345501), (259, 1878149), (481, 1011311), (637, 763643), (1813, 268307), (3367, 144473), (20639, 23569)]