39131978

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1987}}^1$

素因数の和:2261

約数の個数: 16

約数和(自身を含む): 60355680

約数和(自身を除く): 21223702

約数列:

[1, 2, 43, 86, 229, 458, 1987, 3974, 9847, 19694, 85441, 170882, 455023, 910046, 19565989, 39131978]

約数ペア:

[(1, 39131978), (2, 19565989), (43, 910046), (86, 455023), (229, 170882), (458, 85441), (1987, 19694), (3974, 9847)]