1681388401

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2309}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 2151072000

約数和(自身を除く): 469683599

約数列:

[1, 7, 11, 49, 77, 193, 343, 539, 1351, 2123, 2309, 3773, 9457, 14861, 16163, 25399, 66199, 104027, 113141, 177793, 445637, 728189, 791987, 1244551, 3119459, 4902007, 8711857, 21836213, 34314049, 152853491, 240198343, 1681388401]

約数ペア:

[(1, 1681388401), (7, 240198343), (11, 152853491), (49, 34314049), (77, 21836213), (193, 8711857), (343, 4902007), (539, 3119459), (1351, 1244551), (2123, 791987), (2309, 728189), (3773, 445637), (9457, 177793), (14861, 113141), (16163, 104027), (25399, 66199)]