28471835

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19841}}^1$

素因数の和:19894

約数の個数: 16

約数和(自身を含む): 40001472

約数和(自身を除く): 11529637

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19841, 99205, 138887, 694435, 813481, 4067405, 5694367, 28471835]

約数ペア:

[(1, 28471835), (5, 5694367), (7, 4067405), (35, 813481), (41, 694435), (205, 138887), (287, 99205), (1435, 19841)]