28281998

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{1319}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 43338240

約数和(自身を除く): 15056242

約数列:

[1, 2, 71, 142, 151, 302, 1319, 2638, 10721, 21442, 93649, 187298, 199169, 398338, 14140999, 28281998]

約数ペア:

[(1, 28281998), (2, 14140999), (71, 398338), (142, 199169), (151, 187298), (302, 93649), (1319, 21442), (2638, 10721)]