81603488

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 164605896

約数和(自身を除く): 83002408

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 181, 193, 292, 362, 386, 584, 724, 772, 1168, 1448, 1544, 2336, 2896, 3088, 5792, 6176, 13213, 14089, 26426, 28178, 34933, 52852, 56356, 69866, 105704, 112712, 139732, 211408, 225424, 279464, 422816, 450848, 558928, 1117856, 2550109, 5100218, 10200436, 20400872, 40801744, 81603488]

約数ペア:

[(1, 81603488), (2, 40801744), (4, 20400872), (8, 10200436), (16, 5100218), (32, 2550109), (73, 1117856), (146, 558928), (181, 450848), (193, 422816), (292, 279464), (362, 225424), (386, 211408), (584, 139732), (724, 112712), (772, 105704), (1168, 69866), (1448, 56356), (1544, 52852), (2336, 34933), (2896, 28178), (3088, 26426), (5792, 14089), (6176, 13213)]