708889489

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 904200192

約数和(自身を除く): 195310703

約数列:

[1, 7, 11, 71, 77, 127, 497, 781, 889, 1021, 1397, 5467, 7147, 9017, 9779, 11231, 63119, 72491, 78617, 99187, 129667, 507437, 694309, 797401, 907669, 1426337, 5581807, 9206357, 9984359, 64444499, 101269927, 708889489]

約数ペア:

[(1, 708889489), (7, 101269927), (11, 64444499), (71, 9984359), (77, 9206357), (127, 5581807), (497, 1426337), (781, 907669), (889, 797401), (1021, 694309), (1397, 507437), (5467, 129667), (7147, 99187), (9017, 78617), (9779, 72491), (11231, 63119)]