72440128

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 153619200

約数和(自身を除く): 81179072

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 139, 272, 278, 479, 544, 556, 958, 1088, 1112, 1916, 2224, 2363, 3832, 4448, 4726, 7664, 8143, 8896, 9452, 15328, 16286, 18904, 30656, 32572, 37808, 65144, 66581, 75616, 130288, 133162, 151232, 260576, 266324, 521152, 532648, 1065296, 1131877, 2130592, 2263754, 4261184, 4527508, 9055016, 18110032, 36220064, 72440128]

約数ペア:

[(1, 72440128), (2, 36220064), (4, 18110032), (8, 9055016), (16, 4527508), (17, 4261184), (32, 2263754), (34, 2130592), (64, 1131877), (68, 1065296), (136, 532648), (139, 521152), (272, 266324), (278, 260576), (479, 151232), (544, 133162), (556, 130288), (958, 75616), (1088, 66581), (1112, 65144), (1916, 37808), (2224, 32572), (2363, 30656), (3832, 18904), (4448, 16286), (4726, 15328), (7664, 9452), (8143, 8896)]