205009552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 449399808

約数和(自身を除く): 244390256

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 103, 172, 176, 206, 263, 344, 412, 473, 526, 688, 824, 946, 1052, 1133, 1648, 1892, 2104, 2266, 2893, 3784, 4208, 4429, 4532, 5786, 7568, 8858, 9064, 11309, 11572, 17716, 18128, 22618, 23144, 27089, 35432, 45236, 46288, 48719, 54178, 70864, 90472, 97438, 108356, 124399, 180944, 194876, 216712, 248798, 297979, 389752, 433424, 497596, 595958, 779504, 995192, 1164827, 1191916, 1990384, 2329654, 2383832, 4659308, 4767664, 9318616, 12813097, 18637232, 25626194, 51252388, 102504776, 205009552]

約数ペア:

[(1, 205009552), (2, 102504776), (4, 51252388), (8, 25626194), (11, 18637232), (16, 12813097), (22, 9318616), (43, 4767664), (44, 4659308), (86, 2383832), (88, 2329654), (103, 1990384), (172, 1191916), (176, 1164827), (206, 995192), (263, 779504), (344, 595958), (412, 497596), (473, 433424), (526, 389752), (688, 297979), (824, 248798), (946, 216712), (1052, 194876), (1133, 180944), (1648, 124399), (1892, 108356), (2104, 97438), (2266, 90472), (2893, 70864), (3784, 54178), (4208, 48719), (4429, 46288), (4532, 45236), (5786, 35432), (7568, 27089), (8858, 23144), (9064, 22618), (11309, 18128), (11572, 17716)]