16191887761

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 20109144000

約数和(自身を除く): 3917256239

約数列:

[1, 7, 19, 49, 109, 133, 379, 421, 763, 931, 2071, 2653, 2947, 5341, 7201, 7999, 14497, 18571, 20629, 41311, 45889, 50407, 55993, 101479, 159559, 289177, 321223, 352849, 391951, 784909, 871891, 1116913, 2024239, 2248561, 3031621, 5494363, 6103237, 7818391, 17391931, 21221347, 38460541, 42722659, 121743517, 148549429, 330446689, 852204619, 2313126823, 16191887761]

約数ペア:

[(1, 16191887761), (7, 2313126823), (19, 852204619), (49, 330446689), (109, 148549429), (133, 121743517), (379, 42722659), (421, 38460541), (763, 21221347), (931, 17391931), (2071, 7818391), (2653, 6103237), (2947, 5494363), (5341, 3031621), (7201, 2248561), (7999, 2024239), (14497, 1116913), (18571, 871891), (20629, 784909), (41311, 391951), (45889, 352849), (50407, 321223), (55993, 289177), (101479, 159559)]