399745872

素因数分解:

$2^4\times 3^2\times {\mathrm{2776013}}^1$

素因数の和:2776027

約数の個数: 30

約数和(自身を含む): 1118733642

約数和(自身を除く): 718987770

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2776013, 5552026, 8328039, 11104052, 16656078, 22208104, 24984117, 33312156, 44416208, 49968234, 66624312, 99936468, 133248624, 199872936, 399745872]

約数ペア:

[(1, 399745872), (2, 199872936), (3, 133248624), (4, 99936468), (6, 66624312), (8, 49968234), (9, 44416208), (12, 33312156), (16, 24984117), (18, 22208104), (24, 16656078), (36, 11104052), (48, 8328039), (72, 5552026), (144, 2776013)]