516727775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{20899}}^1$

素因数の和:20975

約数の個数: 24

約数和(自身を含む): 684182400

約数和(自身を除く): 167454625

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 989, 1075, 4945, 20899, 24725, 104495, 480677, 522475, 898657, 2403385, 4493285, 12016925, 20669111, 22466425, 103345555, 516727775]

約数ペア:

[(1, 516727775), (5, 103345555), (23, 22466425), (25, 20669111), (43, 12016925), (115, 4493285), (215, 2403385), (575, 898657), (989, 522475), (1075, 480677), (4945, 104495), (20899, 24725)]