219870008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{639157}}^1$

素因数の和:639206

約数の個数: 16

約数和(自身を含む): 421844280

約数和(自身を除く): 201974272

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 639157, 1278314, 2556628, 5113256, 27483751, 54967502, 109935004, 219870008]

約数ペア:

[(1, 219870008), (2, 109935004), (4, 54967502), (8, 27483751), (43, 5113256), (86, 2556628), (172, 1278314), (344, 639157)]