128913288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1709}}^1$

素因数の和:2174

約数の個数: 64

約数和(自身を含む): 369360000

約数和(自身を除く): 240446712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 449, 898, 1347, 1709, 1796, 2694, 3143, 3418, 3592, 5127, 5388, 6286, 6836, 9429, 10254, 10776, 11963, 12572, 13672, 18858, 20508, 23926, 25144, 35889, 37716, 41016, 47852, 71778, 75432, 95704, 143556, 287112, 767341, 1534682, 2302023, 3069364, 4604046, 5371387, 6138728, 9208092, 10742774, 16114161, 18416184, 21485548, 32228322, 42971096, 64456644, 128913288]

約数ペア:

[(1, 128913288), (2, 64456644), (3, 42971096), (4, 32228322), (6, 21485548), (7, 18416184), (8, 16114161), (12, 10742774), (14, 9208092), (21, 6138728), (24, 5371387), (28, 4604046), (42, 3069364), (56, 2302023), (84, 1534682), (168, 767341), (449, 287112), (898, 143556), (1347, 95704), (1709, 75432), (1796, 71778), (2694, 47852), (3143, 41016), (3418, 37716), (3592, 35889), (5127, 25144), (5388, 23926), (6286, 20508), (6836, 18858), (9429, 13672), (10254, 12572), (10776, 11963)]