1280236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 2416176

約数和(自身を除く): 1135940

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 281, 562, 1124, 1139, 2278, 4556, 4777, 9554, 18827, 19108, 37654, 75308, 320059, 640118, 1280236]

約数ペア:

[(1, 1280236), (2, 640118), (4, 320059), (17, 75308), (34, 37654), (67, 19108), (68, 18827), (134, 9554), (268, 4777), (281, 4556), (562, 2278), (1124, 1139)]