1988892545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{6163}}^1$

素因数の和:6309

約数の個数: 32

約数和(自身を含む): 2603673600

約数和(自身を除く): 614781055

約数列:

[1, 5, 19, 43, 79, 95, 215, 395, 817, 1501, 3397, 4085, 6163, 7505, 16985, 30815, 64543, 117097, 265009, 322715, 486877, 585485, 1325045, 2434385, 5035171, 9250663, 20935711, 25175855, 46253315, 104678555, 397778509, 1988892545]

約数ペア:

[(1, 1988892545), (5, 397778509), (19, 104678555), (43, 46253315), (79, 25175855), (95, 20935711), (215, 9250663), (395, 5035171), (817, 2434385), (1501, 1325045), (3397, 585485), (4085, 486877), (6163, 322715), (7505, 265009), (16985, 117097), (30815, 64543)]