1238768

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:704

約数の個数: 20

約数和(自身を含む): 2421720

約数和(自身を除く): 1182952

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 557, 1112, 1114, 2224, 2228, 4456, 8912, 77423, 154846, 309692, 619384, 1238768]

約数ペア:

[(1, 1238768), (2, 619384), (4, 309692), (8, 154846), (16, 77423), (139, 8912), (278, 4456), (556, 2228), (557, 2224), (1112, 1114)]