389975038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{115309}}^1$

素因数の和:115419

約数の個数: 16

約数和(自身を含む): 622674000

約数和(自身を除く): 232698962

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 115309, 230618, 2190871, 4381742, 10262501, 20525002, 194987519, 389975038]

約数ペア:

[(1, 389975038), (2, 194987519), (19, 20525002), (38, 10262501), (89, 4381742), (178, 2190871), (1691, 230618), (3382, 115309)]