1640332729

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{204301}}^1$

素因数の和:204376

約数の個数: 16

約数和(自身を含む): 1987449856

約数和(自身を除く): 347117127

約数列:

[1, 7, 31, 37, 217, 259, 1147, 8029, 204301, 1430107, 6333331, 7559137, 44333317, 52913959, 234333247, 1640332729]

約数ペア:

[(1, 1640332729), (7, 234333247), (31, 52913959), (37, 44333317), (217, 7559137), (259, 6333331), (1147, 1430107), (8029, 204301)]