28678486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1901}}^1$

素因数の和:2319

約数の個数: 16

約数和(自身を含む): 45419760

約数和(自身を除く): 16741274

約数列:

[1, 2, 19, 38, 397, 794, 1901, 3802, 7543, 15086, 36119, 72238, 754697, 1509394, 14339243, 28678486]

約数ペア:

[(1, 28678486), (2, 14339243), (19, 1509394), (38, 754697), (397, 72238), (794, 36119), (1901, 15086), (3802, 7543)]