3988638

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3200

約数の個数: 24

約数和(自身を含む): 8766576

約数和(自身を除く): 4777938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 3121, 6242, 9363, 18726, 28089, 56178, 221591, 443182, 664773, 1329546, 1994319, 3988638]

約数ペア:

[(1, 3988638), (2, 1994319), (3, 1329546), (6, 664773), (9, 443182), (18, 221591), (71, 56178), (142, 28089), (213, 18726), (426, 9363), (639, 6242), (1278, 3121)]