68257975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 96422400

約数和(自身を除く): 28164425

約数列:

[1, 5, 17, 19, 25, 79, 85, 95, 107, 323, 395, 425, 475, 535, 1343, 1501, 1615, 1819, 1975, 2033, 2675, 6715, 7505, 8075, 8453, 9095, 10165, 25517, 33575, 34561, 37525, 42265, 45475, 50825, 127585, 143701, 160607, 172805, 211325, 637925, 718505, 803035, 864025, 2730319, 3592525, 4015175, 13651595, 68257975]

約数ペア:

[(1, 68257975), (5, 13651595), (17, 4015175), (19, 3592525), (25, 2730319), (79, 864025), (85, 803035), (95, 718505), (107, 637925), (323, 211325), (395, 172805), (425, 160607), (475, 143701), (535, 127585), (1343, 50825), (1501, 45475), (1615, 42265), (1819, 37525), (1975, 34561), (2033, 33575), (2675, 25517), (6715, 10165), (7505, 9095), (8075, 8453)]