85869721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 108748800

約数和(自身を除く): 22879079

約数列:

[1, 7, 19, 31, 59, 133, 217, 353, 413, 589, 1121, 1829, 2471, 4123, 6707, 7847, 10943, 12803, 20827, 34751, 46949, 76601, 145789, 207917, 243257, 395713, 645637, 1455419, 2769991, 4519459, 12267103, 85869721]

約数ペア:

[(1, 85869721), (7, 12267103), (19, 4519459), (31, 2769991), (59, 1455419), (133, 645637), (217, 395713), (353, 243257), (413, 207917), (589, 145789), (1121, 76601), (1829, 46949), (2471, 34751), (4123, 20827), (6707, 12803), (7847, 10943)]