64808905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2377}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 95880960

約数和(自身を除く): 31072055

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1435, 2377, 3895, 5453, 11885, 16639, 27265, 45163, 83195, 97457, 225815, 316141, 487285, 682199, 1580705, 1851683, 3410995, 9258415, 12961781, 64808905]

約数ペア:

[(1, 64808905), (5, 12961781), (7, 9258415), (19, 3410995), (35, 1851683), (41, 1580705), (95, 682199), (133, 487285), (205, 316141), (287, 225815), (665, 97457), (779, 83195), (1435, 45163), (2377, 27265), (3895, 16639), (5453, 11885)]