978011905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1\times {\mathrm{7603}}^1$

素因数の和:9600

約数の個数: 16

約数和(自身を含む): 1264697280

約数和(自身を除く): 286685375

約数列:

[1, 5, 13, 65, 1979, 7603, 9895, 25727, 38015, 98839, 128635, 494195, 15046337, 75231685, 195602381, 978011905]

約数ペア:

[(1, 978011905), (5, 195602381), (13, 75231685), (65, 15046337), (1979, 494195), (7603, 128635), (9895, 98839), (25727, 38015)]