81906768

素因数分解:

$2^4\times 3^3\times {\mathrm{189599}}^1$

素因数の和:189616

約数の個数: 40

約数和(自身を含む): 235104000

約数和(自身を除く): 153197232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 189599, 379198, 568797, 758396, 1137594, 1516792, 1706391, 2275188, 3033584, 3412782, 4550376, 5119173, 6825564, 9100752, 10238346, 13651128, 20476692, 27302256, 40953384, 81906768]

約数ペア:

[(1, 81906768), (2, 40953384), (3, 27302256), (4, 20476692), (6, 13651128), (8, 10238346), (9, 9100752), (12, 6825564), (16, 5119173), (18, 4550376), (24, 3412782), (27, 3033584), (36, 2275188), (48, 1706391), (54, 1516792), (72, 1137594), (108, 758396), (144, 568797), (216, 379198), (432, 189599)]