51189215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 79073280

約数和(自身を除く): 27884065

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 4289, 11935, 21445, 30023, 47179, 132959, 150115, 235895, 330253, 664795, 930713, 1462549, 1651265, 4653565, 7312745, 10237843, 51189215]

約数ペア:

[(1, 51189215), (5, 10237843), (7, 7312745), (11, 4653565), (31, 1651265), (35, 1462549), (55, 930713), (77, 664795), (155, 330253), (217, 235895), (341, 150115), (385, 132959), (1085, 47179), (1705, 30023), (2387, 21445), (4289, 11935)]