217098752

素因数分解:

$2^9\times {\mathrm{13}}^3\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 472339560

約数和(自身を除く): 255240808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 193, 208, 256, 338, 386, 416, 512, 676, 772, 832, 1352, 1544, 1664, 2197, 2509, 2704, 3088, 3328, 4394, 5018, 5408, 6176, 6656, 8788, 10036, 10816, 12352, 17576, 20072, 21632, 24704, 32617, 35152, 40144, 43264, 49408, 65234, 70304, 80288, 86528, 98816, 130468, 140608, 160576, 260936, 281216, 321152, 424021, 521872, 562432, 642304, 848042, 1043744, 1124864, 1284608, 1696084, 2087488, 3392168, 4174976, 6784336, 8349952, 13568672, 16699904, 27137344, 54274688, 108549376, 217098752]

約数ペア:

[(1, 217098752), (2, 108549376), (4, 54274688), (8, 27137344), (13, 16699904), (16, 13568672), (26, 8349952), (32, 6784336), (52, 4174976), (64, 3392168), (104, 2087488), (128, 1696084), (169, 1284608), (193, 1124864), (208, 1043744), (256, 848042), (338, 642304), (386, 562432), (416, 521872), (512, 424021), (676, 321152), (772, 281216), (832, 260936), (1352, 160576), (1544, 140608), (1664, 130468), (2197, 98816), (2509, 86528), (2704, 80288), (3088, 70304), (3328, 65234), (4394, 49408), (5018, 43264), (5408, 40144), (6176, 35152), (6656, 32617), (8788, 24704), (10036, 21632), (10816, 20072), (12352, 17576)]