68239925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 98535360

約数和(自身を除く): 30295435

約数列:

[1, 5, 13, 19, 25, 43, 65, 95, 215, 247, 257, 325, 475, 559, 817, 1075, 1235, 1285, 2795, 3341, 4085, 4883, 6175, 6425, 10621, 11051, 13975, 16705, 20425, 24415, 53105, 55255, 63479, 83525, 122075, 143663, 209969, 265525, 276275, 317395, 718315, 1049845, 1586975, 2729597, 3591575, 5249225, 13647985, 68239925]

約数ペア:

[(1, 68239925), (5, 13647985), (13, 5249225), (19, 3591575), (25, 2729597), (43, 1586975), (65, 1049845), (95, 718315), (215, 317395), (247, 276275), (257, 265525), (325, 209969), (475, 143663), (559, 122075), (817, 83525), (1075, 63479), (1235, 55255), (1285, 53105), (2795, 24415), (3341, 20425), (4085, 16705), (4883, 13975), (6175, 11051), (6425, 10621)]