2180552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 4536000

約数和(自身を除く): 2355448

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 349, 568, 698, 781, 1396, 1562, 2792, 3124, 3839, 6248, 7678, 15356, 24779, 30712, 49558, 99116, 198232, 272569, 545138, 1090276, 2180552]

約数ペア:

[(1, 2180552), (2, 1090276), (4, 545138), (8, 272569), (11, 198232), (22, 99116), (44, 49558), (71, 30712), (88, 24779), (142, 15356), (284, 7678), (349, 6248), (568, 3839), (698, 3124), (781, 2792), (1396, 1562)]