81622576

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 193273344

約数和(自身を除く): 111650768

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 163, 238, 263, 272, 326, 476, 526, 652, 952, 1052, 1141, 1304, 1841, 1904, 2104, 2282, 2608, 2771, 3682, 4208, 4471, 4564, 5542, 7364, 8942, 9128, 11084, 14728, 17884, 18256, 19397, 22168, 29456, 31297, 35768, 38794, 42869, 44336, 62594, 71536, 77588, 85738, 125188, 155176, 171476, 250376, 300083, 310352, 342952, 500752, 600166, 685904, 728773, 1200332, 1457546, 2400664, 2915092, 4801328, 5101411, 5830184, 10202822, 11660368, 20405644, 40811288, 81622576]

約数ペア:

[(1, 81622576), (2, 40811288), (4, 20405644), (7, 11660368), (8, 10202822), (14, 5830184), (16, 5101411), (17, 4801328), (28, 2915092), (34, 2400664), (56, 1457546), (68, 1200332), (112, 728773), (119, 685904), (136, 600166), (163, 500752), (238, 342952), (263, 310352), (272, 300083), (326, 250376), (476, 171476), (526, 155176), (652, 125188), (952, 85738), (1052, 77588), (1141, 71536), (1304, 62594), (1841, 44336), (1904, 42869), (2104, 38794), (2282, 35768), (2608, 31297), (2771, 29456), (3682, 22168), (4208, 19397), (4471, 18256), (4564, 17884), (5542, 14728), (7364, 11084), (8942, 9128)]