1278428532992

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{384143189}}^1$

素因数の和:384143218

約数の個数: 36

約数和(自身を含む): 2748160381260

約数和(自身を除く): 1469731848268

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 384143189, 768286378, 1536572756, 3073145512, 4993861457, 6146291024, 9987722914, 12292582048, 19975445828, 24585164096, 39950891656, 49170328192, 79901783312, 98340656384, 159803566624, 319607133248, 639214266496, 1278428532992]

約数ペア:

[(1, 1278428532992), (2, 639214266496), (4, 319607133248), (8, 159803566624), (13, 98340656384), (16, 79901783312), (26, 49170328192), (32, 39950891656), (52, 24585164096), (64, 19975445828), (104, 12292582048), (128, 9987722914), (208, 6146291024), (256, 4993861457), (416, 3073145512), (832, 1536572756), (1664, 768286378), (3328, 384143189)]