28143997

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3469}}^1$

素因数の和:3556

約数の個数: 16

約数和(自身を含む): 34422400

約数和(自身を除く): 6278403

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3469, 8113, 24283, 65911, 211609, 461377, 1481263, 4020571, 28143997]

約数ペア:

[(1, 28143997), (7, 4020571), (19, 1481263), (61, 461377), (133, 211609), (427, 65911), (1159, 24283), (3469, 8113)]