1631824

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1378

約数の個数: 20

約数和(自身を含む): 3204160

約数和(自身を除く): 1572336

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 1291, 2582, 5164, 10328, 20656, 101989, 203978, 407956, 815912, 1631824]

約数ペア:

[(1, 1631824), (2, 815912), (4, 407956), (8, 203978), (16, 101989), (79, 20656), (158, 10328), (316, 5164), (632, 2582), (1264, 1291)]