28389977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5503}}^1$

素因数の和:5588

約数の個数: 16

約数和(自身を含む): 35930112

約数和(自身を除く): 7540135

約数列:

[1, 7, 11, 67, 77, 469, 737, 5159, 5503, 38521, 60533, 368701, 423731, 2580907, 4055711, 28389977]

約数ペア:

[(1, 28389977), (7, 4055711), (11, 2580907), (67, 423731), (77, 368701), (469, 60533), (737, 38521), (5159, 5503)]