131153288

素因数分解:

$2^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5563}}^1$

素因数の和:5997

約数の個数: 32

約数和(自身を含む): 281760960

約数和(自身を除く): 150607672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 421, 842, 1684, 2947, 3368, 5563, 5894, 11126, 11788, 22252, 23576, 38941, 44504, 77882, 155764, 311528, 2342023, 4684046, 9368092, 16394161, 18736184, 32788322, 65576644, 131153288]

約数ペア:

[(1, 131153288), (2, 65576644), (4, 32788322), (7, 18736184), (8, 16394161), (14, 9368092), (28, 4684046), (56, 2342023), (421, 311528), (842, 155764), (1684, 77882), (2947, 44504), (3368, 38941), (5563, 23576), (5894, 22252), (11126, 11788)]