28402982

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1651

約数の個数: 16

約数和(自身を含む): 43545600

約数和(自身を除く): 15142618

約数列:

[1, 2, 71, 139, 142, 278, 1439, 2878, 9869, 19738, 102169, 200021, 204338, 400042, 14201491, 28402982]

約数ペア:

[(1, 28402982), (2, 14201491), (71, 400042), (139, 204338), (142, 200021), (278, 102169), (1439, 19738), (2878, 9869)]