77980225

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 99335160

約数和(自身を除く): 21354935

約数列:

[1, 5, 25, 53, 229, 257, 265, 1145, 1285, 1325, 5725, 6425, 12137, 13621, 58853, 60685, 68105, 294265, 303425, 340525, 1471325, 3119209, 15596045, 77980225]

約数ペア:

[(1, 77980225), (5, 15596045), (25, 3119209), (53, 1471325), (229, 340525), (257, 303425), (265, 294265), (1145, 68105), (1285, 60685), (1325, 58853), (5725, 13621), (6425, 12137)]