219728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:482

約数の個数: 20

約数和(自身を含む): 440448

約数和(自身を除く): 220720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 443, 496, 886, 1772, 3544, 7088, 13733, 27466, 54932, 109864, 219728]

約数ペア:

[(1, 219728), (2, 109864), (4, 54932), (8, 27466), (16, 13733), (31, 7088), (62, 3544), (124, 1772), (248, 886), (443, 496)]