71286776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{18839}}^1$

素因数の和:18899

約数の個数: 32

約数和(自身を含む): 149212800

約数和(自身を除く): 77926024

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 18839, 37678, 75356, 150712, 207229, 414458, 810077, 828916, 1620154, 1657832, 3240308, 6480616, 8910847, 17821694, 35643388, 71286776]

約数ペア:

[(1, 71286776), (2, 35643388), (4, 17821694), (8, 8910847), (11, 6480616), (22, 3240308), (43, 1657832), (44, 1620154), (86, 828916), (88, 810077), (172, 414458), (344, 207229), (473, 150712), (946, 75356), (1892, 37678), (3784, 18839)]