28138555

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4513}}^1$

素因数の和:4590

約数の個数: 16

約数和(自身を含む): 35750880

約数和(自身を除く): 7612325

約数列:

[1, 5, 29, 43, 145, 215, 1247, 4513, 6235, 22565, 130877, 194059, 654385, 970295, 5627711, 28138555]

約数ペア:

[(1, 28138555), (5, 5627711), (29, 970295), (43, 654385), (145, 194059), (215, 130877), (1247, 22565), (4513, 6235)]