208996956

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 144

約数和(自身を含む): 640123680

約数和(自身を除く): 431126724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 73, 84, 98, 108, 126, 146, 147, 189, 196, 219, 252, 292, 294, 378, 438, 441, 511, 541, 588, 657, 756, 876, 882, 1022, 1082, 1314, 1323, 1533, 1623, 1764, 1971, 2044, 2164, 2628, 2646, 3066, 3246, 3577, 3787, 3942, 4599, 4869, 5292, 6132, 6492, 7154, 7574, 7884, 9198, 9738, 10731, 11361, 13797, 14308, 14607, 15148, 18396, 19476, 21462, 22722, 26509, 27594, 29214, 32193, 34083, 39493, 42924, 45444, 53018, 55188, 58428, 64386, 68166, 78986, 79527, 96579, 102249, 106036, 118479, 128772, 136332, 157972, 159054, 193158, 204498, 236958, 238581, 276451, 318108, 355437, 386316, 408996, 473916, 477162, 552902, 710874, 715743, 829353, 954324, 1066311, 1105804, 1421748, 1431486, 1658706, 1935157, 2132622, 2488059, 2862972, 3317412, 3870314, 4265244, 4976118, 5805471, 7464177, 7740628, 9952236, 11610942, 14928354, 17416413, 23221884, 29856708, 34832826, 52249239, 69665652, 104498478, 208996956]

約数ペア:

[(1, 208996956), (2, 104498478), (3, 69665652), (4, 52249239), (6, 34832826), (7, 29856708), (9, 23221884), (12, 17416413), (14, 14928354), (18, 11610942), (21, 9952236), (27, 7740628), (28, 7464177), (36, 5805471), (42, 4976118), (49, 4265244), (54, 3870314), (63, 3317412), (73, 2862972), (84, 2488059), (98, 2132622), (108, 1935157), (126, 1658706), (146, 1431486), (147, 1421748), (189, 1105804), (196, 1066311), (219, 954324), (252, 829353), (292, 715743), (294, 710874), (378, 552902), (438, 477162), (441, 473916), (511, 408996), (541, 386316), (588, 355437), (657, 318108), (756, 276451), (876, 238581), (882, 236958), (1022, 204498), (1082, 193158), (1314, 159054), (1323, 157972), (1533, 136332), (1623, 128772), (1764, 118479), (1971, 106036), (2044, 102249), (2164, 96579), (2628, 79527), (2646, 78986), (3066, 68166), (3246, 64386), (3577, 58428), (3787, 55188), (3942, 53018), (4599, 45444), (4869, 42924), (5292, 39493), (6132, 34083), (6492, 32193), (7154, 29214), (7574, 27594), (7884, 26509), (9198, 22722), (9738, 21462), (10731, 19476), (11361, 18396), (13797, 15148), (14308, 14607)]