208153188

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 537860960

約数和(自身を除く): 329707772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 211, 268, 402, 409, 422, 603, 633, 804, 818, 844, 1206, 1227, 1266, 1636, 1899, 2412, 2454, 2532, 3681, 3798, 4908, 7362, 7596, 14137, 14724, 27403, 28274, 42411, 54806, 56548, 82209, 84822, 86299, 109612, 127233, 164418, 169644, 172598, 246627, 254466, 258897, 328836, 345196, 493254, 508932, 517794, 776691, 986508, 1035588, 1553382, 3106764, 5782033, 11564066, 17346099, 23128132, 34692198, 52038297, 69384396, 104076594, 208153188]

約数ペア:

[(1, 208153188), (2, 104076594), (3, 69384396), (4, 52038297), (6, 34692198), (9, 23128132), (12, 17346099), (18, 11564066), (36, 5782033), (67, 3106764), (134, 1553382), (201, 1035588), (211, 986508), (268, 776691), (402, 517794), (409, 508932), (422, 493254), (603, 345196), (633, 328836), (804, 258897), (818, 254466), (844, 246627), (1206, 172598), (1227, 169644), (1266, 164418), (1636, 127233), (1899, 109612), (2412, 86299), (2454, 84822), (2532, 82209), (3681, 56548), (3798, 54806), (4908, 42411), (7362, 28274), (7596, 27403), (14137, 14724)]