388657612

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{15137}}^1$

素因数の和:15286

約数の個数: 36

約数和(自身を含む): 797288184

約数和(自身を除く): 408630572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 3668, 6419, 12838, 15137, 25676, 30274, 60548, 105959, 211918, 423836, 741713, 1483426, 1982947, 2966852, 3965894, 7931788, 13880629, 27761258, 55522516, 97164403, 194328806, 388657612]

約数ペア:

[(1, 388657612), (2, 194328806), (4, 97164403), (7, 55522516), (14, 27761258), (28, 13880629), (49, 7931788), (98, 3965894), (131, 2966852), (196, 1982947), (262, 1483426), (524, 741713), (917, 423836), (1834, 211918), (3668, 105959), (6419, 60548), (12838, 30274), (15137, 25676)]