131726497

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 164851200

約数和(自身を除く): 33124703

約数列:

[1, 7, 23, 29, 89, 161, 203, 317, 623, 667, 2047, 2219, 2581, 4669, 7291, 9193, 14329, 18067, 28213, 51037, 59363, 64351, 197491, 211439, 415541, 648899, 818177, 1480073, 4542293, 5727239, 18818071, 131726497]

約数ペア:

[(1, 131726497), (7, 18818071), (23, 5727239), (29, 4542293), (89, 1480073), (161, 818177), (203, 648899), (317, 415541), (623, 211439), (667, 197491), (2047, 64351), (2219, 59363), (2581, 51037), (4669, 28213), (7291, 18067), (9193, 14329)]