81114254

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5581}}^1$

素因数の和:5652

約数の個数: 24

約数和(自身を含む): 134838792

約数和(自身を除く): 53724538

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 5581, 7267, 11162, 14534, 72553, 145106, 239983, 479966, 943189, 1886378, 3119779, 6239558, 40557127, 81114254]

約数ペア:

[(1, 81114254), (2, 40557127), (13, 6239558), (26, 3119779), (43, 1886378), (86, 943189), (169, 479966), (338, 239983), (559, 145106), (1118, 72553), (5581, 14534), (7267, 11162)]