28238861

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{727}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 33546240

約数和(自身を除く): 5307379

約数列:

[1, 7, 31, 179, 217, 727, 1253, 5089, 5549, 22537, 38843, 130133, 157759, 910931, 4034123, 28238861]

約数ペア:

[(1, 28238861), (7, 4034123), (31, 910931), (179, 157759), (217, 130133), (727, 38843), (1253, 22537), (5089, 5549)]