161509964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4129}}^1$

素因数の和:4278

約数の個数: 48

約数和(自身を含む): 355246080

約数和(自身を除く): 193736116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 508, 889, 1397, 1778, 2794, 3556, 4129, 5588, 8258, 9779, 16516, 19558, 28903, 39116, 45419, 57806, 90838, 115612, 181676, 317933, 524383, 635866, 1048766, 1271732, 2097532, 3670681, 5768213, 7341362, 11536426, 14682724, 23072852, 40377491, 80754982, 161509964]

約数ペア:

[(1, 161509964), (2, 80754982), (4, 40377491), (7, 23072852), (11, 14682724), (14, 11536426), (22, 7341362), (28, 5768213), (44, 3670681), (77, 2097532), (127, 1271732), (154, 1048766), (254, 635866), (308, 524383), (508, 317933), (889, 181676), (1397, 115612), (1778, 90838), (2794, 57806), (3556, 45419), (4129, 39116), (5588, 28903), (8258, 19558), (9779, 16516)]