278437996852

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{947}}^1\times {\mathrm{561109}}^1$

素因数の和:562191

約数の個数: 24

約数和(自身を含む): 491505426720

約数和(自身を除く): 213067429868

約数列:

[1, 2, 4, 131, 262, 524, 947, 1894, 3788, 124057, 248114, 496228, 561109, 1122218, 2244436, 73505279, 147010558, 294021116, 531370223, 1062740446, 2125480892, 69609499213, 139218998426, 278437996852]

約数ペア:

[(1, 278437996852), (2, 139218998426), (4, 69609499213), (131, 2125480892), (262, 1062740446), (524, 531370223), (947, 294021116), (1894, 147010558), (3788, 73505279), (124057, 2244436), (248114, 1122218), (496228, 561109)]