279874084

素因数分解:

$2^2\times 7^2\times {\mathrm{647}}^1\times {\mathrm{2207}}^1$

素因数の和:2872

約数の個数: 36

約数和(自身を含む): 570882816

約数和(自身を除く): 291008732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 647, 1294, 2207, 2588, 4414, 4529, 8828, 9058, 15449, 18116, 30898, 31703, 61796, 63406, 108143, 126812, 216286, 432572, 1427929, 2855858, 5711716, 9995503, 19991006, 39982012, 69968521, 139937042, 279874084]

約数ペア:

[(1, 279874084), (2, 139937042), (4, 69968521), (7, 39982012), (14, 19991006), (28, 9995503), (49, 5711716), (98, 2855858), (196, 1427929), (647, 432572), (1294, 216286), (2207, 126812), (2588, 108143), (4414, 63406), (4529, 61796), (8828, 31703), (9058, 30898), (15449, 18116)]