161731591

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 207567360

約数和(自身を除く): 45835769

約数列:

[1, 7, 17, 19, 119, 133, 233, 307, 323, 1631, 2149, 2261, 3961, 4427, 5219, 5833, 27727, 30989, 36533, 40831, 71531, 75259, 99161, 500717, 526813, 694127, 1216027, 1359089, 8512189, 9513623, 23104513, 161731591]

約数ペア:

[(1, 161731591), (7, 23104513), (17, 9513623), (19, 8512189), (119, 1359089), (133, 1216027), (233, 694127), (307, 526813), (323, 500717), (1631, 99161), (2149, 75259), (2261, 71531), (3961, 40831), (4427, 36533), (5219, 30989), (5833, 27727)]