25717194

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{20123}}^1$

素因数の和:20202

約数の個数: 24

約数和(自身を含む): 56508192

約数和(自身を除く): 30790998

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 20123, 40246, 60369, 120738, 181107, 362214, 1428733, 2857466, 4286199, 8572398, 12858597, 25717194]

約数ペア:

[(1, 25717194), (2, 12858597), (3, 8572398), (6, 4286199), (9, 2857466), (18, 1428733), (71, 362214), (142, 181107), (213, 120738), (426, 60369), (639, 40246), (1278, 20123)]