164896256

素因数分解:

$2^9\times 7^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 80

約数和(自身を含む): 380392320

約数和(自身を除く): 215496064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 331, 448, 512, 556, 662, 896, 973, 1112, 1324, 1792, 1946, 2224, 2317, 2648, 3584, 3892, 4448, 4634, 5296, 7784, 8896, 9268, 10592, 15568, 17792, 18536, 21184, 31136, 35584, 37072, 42368, 46009, 62272, 71168, 74144, 84736, 92018, 124544, 148288, 169472, 184036, 249088, 296576, 322063, 368072, 498176, 593152, 644126, 736144, 1186304, 1288252, 1472288, 2576504, 2944576, 5153008, 5889152, 10306016, 11778304, 20612032, 23556608, 41224064, 82448128, 164896256]

約数ペア:

[(1, 164896256), (2, 82448128), (4, 41224064), (7, 23556608), (8, 20612032), (14, 11778304), (16, 10306016), (28, 5889152), (32, 5153008), (56, 2944576), (64, 2576504), (112, 1472288), (128, 1288252), (139, 1186304), (224, 736144), (256, 644126), (278, 593152), (331, 498176), (448, 368072), (512, 322063), (556, 296576), (662, 249088), (896, 184036), (973, 169472), (1112, 148288), (1324, 124544), (1792, 92018), (1946, 84736), (2224, 74144), (2317, 71168), (2648, 62272), (3584, 46009), (3892, 42368), (4448, 37072), (4634, 35584), (5296, 31136), (7784, 21184), (8896, 18536), (9268, 17792), (10592, 15568)]