39923009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 51855360

約数和(自身を除く): 11932351

約数列:

[1, 7, 19, 23, 31, 133, 161, 217, 421, 437, 589, 713, 2947, 3059, 4123, 4991, 7999, 9683, 13051, 13547, 55993, 67781, 91357, 94829, 183977, 247969, 300173, 1287839, 1735783, 2101211, 5703287, 39923009]

約数ペア:

[(1, 39923009), (7, 5703287), (19, 2101211), (23, 1735783), (31, 1287839), (133, 300173), (161, 247969), (217, 183977), (421, 94829), (437, 91357), (589, 67781), (713, 55993), (2947, 13547), (3059, 13051), (4123, 9683), (4991, 7999)]