81971844

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{63841}}^1$

素因数の和:63955

約数の個数: 24

約数和(自身を含む): 193058208

約数和(自身を除く): 111086364

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 63841, 127682, 191523, 255364, 383046, 766092, 6830987, 13661974, 20492961, 27323948, 40985922, 81971844]

約数ペア:

[(1, 81971844), (2, 40985922), (3, 27323948), (4, 20492961), (6, 13661974), (12, 6830987), (107, 766092), (214, 383046), (321, 255364), (428, 191523), (642, 127682), (1284, 63841)]