51721595

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 67388544

約数和(自身を除く): 15666949

約数列:

[1, 5, 23, 61, 73, 101, 115, 305, 365, 505, 1403, 1679, 2323, 4453, 6161, 7015, 7373, 8395, 11615, 22265, 30805, 36865, 102419, 141703, 169579, 449753, 512095, 708515, 847895, 2248765, 10344319, 51721595]

約数ペア:

[(1, 51721595), (5, 10344319), (23, 2248765), (61, 847895), (73, 708515), (101, 512095), (115, 449753), (305, 169579), (365, 141703), (505, 102419), (1403, 36865), (1679, 30805), (2323, 22265), (4453, 11615), (6161, 8395), (7015, 7373)]