87988225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 124992000

約数和(自身を除く): 37003775

約数列:

[1, 5, 13, 23, 25, 65, 79, 115, 149, 299, 325, 395, 575, 745, 1027, 1495, 1817, 1937, 1975, 3427, 3725, 5135, 7475, 9085, 9685, 11771, 17135, 23621, 25675, 44551, 45425, 48425, 58855, 85675, 118105, 153023, 222755, 270733, 294275, 590525, 765115, 1113775, 1353665, 3519529, 3825575, 6768325, 17597645, 87988225]

約数ペア:

[(1, 87988225), (5, 17597645), (13, 6768325), (23, 3825575), (25, 3519529), (65, 1353665), (79, 1113775), (115, 765115), (149, 590525), (299, 294275), (325, 270733), (395, 222755), (575, 153023), (745, 118105), (1027, 85675), (1495, 58855), (1817, 48425), (1937, 45425), (1975, 44551), (3427, 25675), (3725, 23621), (5135, 17135), (7475, 11771), (9085, 9685)]