64820987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4651}}^1$

素因数の和:4850

約数の個数: 16

約数和(自身を含む): 81279744

約数和(自身を除く): 16458757

約数列:

[1, 7, 11, 77, 181, 1267, 1991, 4651, 13937, 32557, 51161, 358127, 841831, 5892817, 9260141, 64820987]

約数ペア:

[(1, 64820987), (7, 9260141), (11, 5892817), (77, 841831), (181, 358127), (1267, 51161), (1991, 32557), (4651, 13937)]