161531426

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{607261}}^1$

素因数の和:607289

約数の個数: 16

約数和(自身を含む): 291485760

約数和(自身を除く): 129954334

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 607261, 1214522, 4250827, 8501654, 11537959, 23075918, 80765713, 161531426]

約数ペア:

[(1, 161531426), (2, 80765713), (7, 23075918), (14, 11537959), (19, 8501654), (38, 4250827), (133, 1214522), (266, 607261)]