28657738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{991}}^1$

素因数の和:1773

約数の個数: 16

約数和(自身を含む): 45354240

約数和(自身を除く): 16696502

約数列:

[1, 2, 19, 38, 761, 991, 1522, 1982, 14459, 18829, 28918, 37658, 754151, 1508302, 14328869, 28657738]

約数ペア:

[(1, 28657738), (2, 14328869), (19, 1508302), (38, 754151), (761, 37658), (991, 28918), (1522, 18829), (1982, 14459)]