51889915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 79128576

約数和(自身を除く): 27238661

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1855, 2543, 2915, 4081, 12715, 17801, 20405, 27973, 89005, 134779, 139865, 195811, 673895, 943453, 979055, 1482569, 4717265, 7412845, 10377983, 51889915]

約数ペア:

[(1, 51889915), (5, 10377983), (7, 7412845), (11, 4717265), (35, 1482569), (53, 979055), (55, 943453), (77, 673895), (265, 195811), (371, 139865), (385, 134779), (583, 89005), (1855, 27973), (2543, 20405), (2915, 17801), (4081, 12715)]