218971528

素因数分解:

$2^3\times {\mathrm{1367}}^1\times {\mathrm{20023}}^1$

素因数の和:21396

約数の個数: 16

約数和(自身を含む): 410892480

約数和(自身を除く): 191920952

約数列:

[1, 2, 4, 8, 1367, 2734, 5468, 10936, 20023, 40046, 80092, 160184, 27371441, 54742882, 109485764, 218971528]

約数ペア:

[(1, 218971528), (2, 109485764), (4, 54742882), (8, 27371441), (1367, 160184), (2734, 80092), (5468, 40046), (10936, 20023)]