42509551

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 49896000

約数和(自身を除く): 7386449

約数列:

[1, 7, 53, 149, 371, 769, 1043, 5383, 7897, 40757, 55279, 114581, 285299, 802067, 6072793, 42509551]

約数ペア:

[(1, 42509551), (7, 6072793), (53, 802067), (149, 285299), (371, 114581), (769, 55279), (1043, 40757), (5383, 7897)]