28145396

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 51066624

約数和(自身を除く): 22921228

約数列:

[1, 2, 4, 31, 62, 124, 353, 643, 706, 1286, 1412, 2572, 10943, 19933, 21886, 39866, 43772, 79732, 226979, 453958, 907916, 7036349, 14072698, 28145396]

約数ペア:

[(1, 28145396), (2, 14072698), (4, 7036349), (31, 907916), (62, 453958), (124, 226979), (353, 79732), (643, 43772), (706, 39866), (1286, 21886), (1412, 19933), (2572, 10943)]