263806816

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 686224224

約数和(自身を除く): 422417408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 73, 91, 104, 112, 119, 136, 146, 182, 208, 221, 224, 238, 272, 292, 364, 416, 442, 476, 511, 544, 584, 728, 884, 949, 952, 1022, 1168, 1241, 1456, 1547, 1768, 1898, 1904, 2044, 2336, 2482, 2912, 3094, 3536, 3796, 3808, 4088, 4964, 5329, 6188, 6643, 7072, 7592, 8176, 8687, 9928, 10658, 12376, 13286, 15184, 16133, 16352, 17374, 19856, 21316, 24752, 26572, 30368, 32266, 34748, 37303, 39712, 42632, 49504, 53144, 64532, 69277, 69496, 74606, 85264, 90593, 106288, 112931, 129064, 138554, 138992, 149212, 170528, 181186, 212576, 225862, 258128, 277108, 277984, 298424, 362372, 451724, 484939, 516256, 554216, 596848, 634151, 724744, 903448, 969878, 1108432, 1177709, 1193696, 1268302, 1449488, 1806896, 1939756, 2216864, 2355418, 2536604, 2898976, 3613792, 3879512, 4710836, 5073208, 7759024, 8243963, 9421672, 10146416, 15518048, 16487926, 18843344, 20292832, 32975852, 37686688, 65951704, 131903408, 263806816]

約数ペア:

[(1, 263806816), (2, 131903408), (4, 65951704), (7, 37686688), (8, 32975852), (13, 20292832), (14, 18843344), (16, 16487926), (17, 15518048), (26, 10146416), (28, 9421672), (32, 8243963), (34, 7759024), (52, 5073208), (56, 4710836), (68, 3879512), (73, 3613792), (91, 2898976), (104, 2536604), (112, 2355418), (119, 2216864), (136, 1939756), (146, 1806896), (182, 1449488), (208, 1268302), (221, 1193696), (224, 1177709), (238, 1108432), (272, 969878), (292, 903448), (364, 724744), (416, 634151), (442, 596848), (476, 554216), (511, 516256), (544, 484939), (584, 451724), (728, 362372), (884, 298424), (949, 277984), (952, 277108), (1022, 258128), (1168, 225862), (1241, 212576), (1456, 181186), (1547, 170528), (1768, 149212), (1898, 138992), (1904, 138554), (2044, 129064), (2336, 112931), (2482, 106288), (2912, 90593), (3094, 85264), (3536, 74606), (3796, 69496), (3808, 69277), (4088, 64532), (4964, 53144), (5329, 49504), (6188, 42632), (6643, 39712), (7072, 37303), (7592, 34748), (8176, 32266), (8687, 30368), (9928, 26572), (10658, 24752), (12376, 21316), (13286, 19856), (15184, 17374), (16133, 16352)]