399354172

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{1433}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 823919040

約数和(自身を除く): 424564868

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 269, 518, 538, 1036, 1076, 1433, 1883, 2866, 3766, 5732, 7532, 9953, 10031, 19906, 20062, 39812, 40124, 53021, 69671, 106042, 139342, 212084, 278684, 371147, 385477, 742294, 770954, 1484588, 1541908, 2698339, 5396678, 10793356, 14262649, 28525298, 57050596, 99838543, 199677086, 399354172]

約数ペア:

[(1, 399354172), (2, 199677086), (4, 99838543), (7, 57050596), (14, 28525298), (28, 14262649), (37, 10793356), (74, 5396678), (148, 2698339), (259, 1541908), (269, 1484588), (518, 770954), (538, 742294), (1036, 385477), (1076, 371147), (1433, 278684), (1883, 212084), (2866, 139342), (3766, 106042), (5732, 69671), (7532, 53021), (9953, 40124), (10031, 39812), (19906, 20062)]