16155643

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 20672000

約数和(自身を除く): 4516357

約数列:

[1, 7, 19, 37, 49, 67, 133, 259, 343, 469, 703, 931, 1273, 1813, 2479, 3283, 4921, 6517, 8911, 12691, 17353, 22981, 34447, 47101, 62377, 121471, 241129, 329707, 436639, 850297, 2307949, 16155643]

約数ペア:

[(1, 16155643), (7, 2307949), (19, 850297), (37, 436639), (49, 329707), (67, 241129), (133, 121471), (259, 62377), (343, 47101), (469, 34447), (703, 22981), (931, 17353), (1273, 12691), (1813, 8911), (2479, 6517), (3283, 4921)]