280321348

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{21001}}^1$

素因数の和:21123

約数の個数: 24

約数和(自身を含む): 508080384

約数和(自身を除く): 227759036

約数列:

[1, 2, 4, 47, 71, 94, 142, 188, 284, 3337, 6674, 13348, 21001, 42002, 84004, 987047, 1491071, 1974094, 2982142, 3948188, 5964284, 70080337, 140160674, 280321348]

約数ペア:

[(1, 280321348), (2, 140160674), (4, 70080337), (47, 5964284), (71, 3948188), (94, 2982142), (142, 1974094), (188, 1491071), (284, 987047), (3337, 84004), (6674, 42002), (13348, 21001)]