639634552

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{647}}^2$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 1207460160

約数和(自身を除く): 567825608

約数列:

[1, 2, 4, 8, 191, 382, 647, 764, 1294, 1528, 2588, 5176, 123577, 247154, 418609, 494308, 837218, 988616, 1674436, 3348872, 79954319, 159908638, 319817276, 639634552]

約数ペア:

[(1, 639634552), (2, 319817276), (4, 159908638), (8, 79954319), (191, 3348872), (382, 1674436), (647, 988616), (764, 837218), (1294, 494308), (1528, 418609), (2588, 247154), (5176, 123577)]