201683456

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 80

約数和(自身を含む): 438997944

約数和(自身を除く): 237314488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 157, 193, 208, 256, 314, 386, 416, 512, 628, 772, 832, 1256, 1544, 1664, 2041, 2509, 2512, 3088, 3328, 4082, 5018, 5024, 6176, 6656, 8164, 10036, 10048, 12352, 16328, 20072, 20096, 24704, 30301, 32656, 40144, 40192, 49408, 60602, 65312, 80288, 80384, 98816, 121204, 130624, 160576, 242408, 261248, 321152, 393913, 484816, 522496, 642304, 787826, 969632, 1044992, 1284608, 1575652, 1939264, 3151304, 3878528, 6302608, 7757056, 12605216, 15514112, 25210432, 50420864, 100841728, 201683456]

約数ペア:

[(1, 201683456), (2, 100841728), (4, 50420864), (8, 25210432), (13, 15514112), (16, 12605216), (26, 7757056), (32, 6302608), (52, 3878528), (64, 3151304), (104, 1939264), (128, 1575652), (157, 1284608), (193, 1044992), (208, 969632), (256, 787826), (314, 642304), (386, 522496), (416, 484816), (512, 393913), (628, 321152), (772, 261248), (832, 242408), (1256, 160576), (1544, 130624), (1664, 121204), (2041, 98816), (2509, 80384), (2512, 80288), (3088, 65312), (3328, 60602), (4082, 49408), (5018, 40192), (5024, 40144), (6176, 32656), (6656, 30301), (8164, 24704), (10036, 20096), (10048, 20072), (12352, 16328)]