1331194904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{180281}}^1$

素因数の和:180371

約数の個数: 32

約数和(自身を含む): 2725863840

約数和(自身を除く): 1394668936

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 180281, 360562, 721124, 1442248, 2343653, 4687306, 9374612, 12799951, 18749224, 25599902, 51199804, 102399608, 166399363, 332798726, 665597452, 1331194904]

約数ペア:

[(1, 1331194904), (2, 665597452), (4, 332798726), (8, 166399363), (13, 102399608), (26, 51199804), (52, 25599902), (71, 18749224), (104, 12799951), (142, 9374612), (284, 4687306), (568, 2343653), (923, 1442248), (1846, 721124), (3692, 360562), (7384, 180281)]