39999226

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{691}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 60884928

約数和(自身を除く): 20885702

約数列:

[1, 2, 103, 206, 281, 562, 691, 1382, 28943, 57886, 71173, 142346, 194171, 388342, 19999613, 39999226]

約数ペア:

[(1, 39999226), (2, 19999613), (103, 388342), (206, 194171), (281, 142346), (562, 71173), (691, 57886), (1382, 28943)]