163911385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1553}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 228251520

約数和(自身を除く): 64340135

約数列:

[1, 5, 11, 19, 55, 95, 101, 209, 505, 1045, 1111, 1553, 1919, 5555, 7765, 9595, 17083, 21109, 29507, 85415, 105545, 147535, 156853, 324577, 784265, 1622885, 1725383, 2980207, 8626915, 14901035, 32782277, 163911385]

約数ペア:

[(1, 163911385), (5, 32782277), (11, 14901035), (19, 8626915), (55, 2980207), (95, 1725383), (101, 1622885), (209, 784265), (505, 324577), (1045, 156853), (1111, 147535), (1553, 105545), (1919, 85415), (5555, 29507), (7765, 21109), (9595, 17083)]