71478212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2459}}^1$

素因数の和:2532

約数の個数: 36

約数和(自身を含む): 138655440

約数和(自身を除く): 67177228

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 1118, 2236, 2459, 4918, 7267, 9836, 14534, 29068, 31967, 63934, 105737, 127868, 211474, 415571, 422948, 831142, 1374581, 1662284, 2749162, 5498324, 17869553, 35739106, 71478212]

約数ペア:

[(1, 71478212), (2, 35739106), (4, 17869553), (13, 5498324), (26, 2749162), (43, 1662284), (52, 1374581), (86, 831142), (169, 422948), (172, 415571), (338, 211474), (559, 127868), (676, 105737), (1118, 63934), (2236, 31967), (2459, 29068), (4918, 14534), (7267, 9836)]