64403647

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{26981}}^1$

素因数の和:27030

約数の個数: 16

約数和(自身を含む): 82888704

約数和(自身を除く): 18485057

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 26981, 188867, 296791, 836411, 2077537, 5854877, 9200521, 64403647]

約数ペア:

[(1, 64403647), (7, 9200521), (11, 5854877), (31, 2077537), (77, 836411), (217, 296791), (341, 188867), (2387, 26981)]