637339952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{2957}}^1$

素因数の和:3693

約数の個数: 40

約数和(自身を含む): 1302111600

約数和(自身を除く): 664771648

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 709, 1418, 2836, 2957, 5672, 5914, 11344, 11828, 13471, 23656, 26942, 47312, 53884, 56183, 107768, 112366, 215536, 224732, 449464, 898928, 2096513, 4193026, 8386052, 16772104, 33544208, 39833747, 79667494, 159334988, 318669976, 637339952]

約数ペア:

[(1, 637339952), (2, 318669976), (4, 159334988), (8, 79667494), (16, 39833747), (19, 33544208), (38, 16772104), (76, 8386052), (152, 4193026), (304, 2096513), (709, 898928), (1418, 449464), (2836, 224732), (2957, 215536), (5672, 112366), (5914, 107768), (11344, 56183), (11828, 53884), (13471, 47312), (23656, 26942)]