319936175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 458720640

約数和(自身を除く): 138784465

約数列:

[1, 5, 13, 17, 25, 65, 79, 85, 221, 325, 395, 425, 733, 1027, 1105, 1343, 1975, 3665, 5135, 5525, 6715, 9529, 12461, 17459, 18325, 25675, 33575, 47645, 57907, 62305, 87295, 161993, 238225, 289535, 311525, 436475, 752791, 809965, 984419, 1447675, 3763955, 4049825, 4922095, 12797447, 18819775, 24610475, 63987235, 319936175]

約数ペア:

[(1, 319936175), (5, 63987235), (13, 24610475), (17, 18819775), (25, 12797447), (65, 4922095), (79, 4049825), (85, 3763955), (221, 1447675), (325, 984419), (395, 809965), (425, 752791), (733, 436475), (1027, 311525), (1105, 289535), (1343, 238225), (1975, 161993), (3665, 87295), (5135, 62305), (5525, 57907), (6715, 47645), (9529, 33575), (12461, 25675), (17459, 18325)]