71891644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{3881}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 137609136

約数和(自身を除く): 65717492

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1684, 3881, 4631, 7762, 9262, 15524, 18524, 42691, 85382, 170764, 1633901, 3267802, 6535604, 17972911, 35945822, 71891644]

約数ペア:

[(1, 71891644), (2, 35945822), (4, 17972911), (11, 6535604), (22, 3267802), (44, 1633901), (421, 170764), (842, 85382), (1684, 42691), (3881, 18524), (4631, 15524), (7762, 9262)]