161569156

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 344082816

約数和(自身を除く): 182513660

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 197, 238, 394, 476, 788, 1379, 1723, 2758, 3349, 3446, 5516, 6698, 6892, 12061, 13396, 23443, 24122, 29291, 46886, 48244, 58582, 93772, 117164, 205037, 339431, 410074, 678862, 820148, 1357724, 2376017, 4752034, 5770327, 9504068, 11540654, 23081308, 40392289, 80784578, 161569156]

約数ペア:

[(1, 161569156), (2, 80784578), (4, 40392289), (7, 23081308), (14, 11540654), (17, 9504068), (28, 5770327), (34, 4752034), (68, 2376017), (119, 1357724), (197, 820148), (238, 678862), (394, 410074), (476, 339431), (788, 205037), (1379, 117164), (1723, 93772), (2758, 58582), (3349, 48244), (3446, 46886), (5516, 29291), (6698, 24122), (6892, 23443), (12061, 13396)]