1257678985

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{241}}^1\times {\mathrm{1973}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 1585035144

約数和(自身を除く): 327356159

約数列:

[1, 5, 23, 115, 241, 529, 1205, 1973, 2645, 5543, 9865, 27715, 45379, 127489, 226895, 475493, 637445, 1043717, 2377465, 5218585, 10936339, 54681695, 251535797, 1257678985]

約数ペア:

[(1, 1257678985), (5, 251535797), (23, 54681695), (115, 10936339), (241, 5218585), (529, 2377465), (1205, 1043717), (1973, 637445), (2645, 475493), (5543, 226895), (9865, 127489), (27715, 45379)]