28798889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 6037591

約数列:

[1, 7, 19, 133, 223, 971, 1561, 4237, 6797, 18449, 29659, 129143, 216533, 1515731, 4114127, 28798889]

約数ペア:

[(1, 28798889), (7, 4114127), (19, 1515731), (133, 216533), (223, 129143), (971, 29659), (1561, 18449), (4237, 6797)]