319491952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49549}}^1$

素因数の和:49601

約数の個数: 40

約数和(自身を含む): 688150400

約数和(自身を除く): 368658448

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 49549, 99098, 198196, 396392, 644137, 792784, 1288274, 1536019, 2576548, 3072038, 5153096, 6144076, 10306192, 12288152, 19968247, 24576304, 39936494, 79872988, 159745976, 319491952]

約数ペア:

[(1, 319491952), (2, 159745976), (4, 79872988), (8, 39936494), (13, 24576304), (16, 19968247), (26, 12288152), (31, 10306192), (52, 6144076), (62, 5153096), (104, 3072038), (124, 2576548), (208, 1536019), (248, 1288274), (403, 792784), (496, 644137), (806, 396392), (1612, 198196), (3224, 99098), (6448, 49549)]