51085055

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 72990720

約数和(自身を除く): 21905665

約数列:

[1, 5, 7, 31, 35, 155, 197, 217, 239, 985, 1085, 1195, 1379, 1673, 6107, 6895, 7409, 8365, 30535, 37045, 42749, 47083, 51863, 213745, 235415, 259315, 329581, 1459573, 1647905, 7297865, 10217011, 51085055]

約数ペア:

[(1, 51085055), (5, 10217011), (7, 7297865), (31, 1647905), (35, 1459573), (155, 329581), (197, 259315), (217, 235415), (239, 213745), (985, 51863), (1085, 47083), (1195, 42749), (1379, 37045), (1673, 30535), (6107, 8365), (6895, 7409)]