209505688

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 493322400

約数和(自身を除く): 283816712

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 229, 238, 248, 434, 458, 476, 527, 868, 916, 952, 961, 1054, 1603, 1736, 1832, 1922, 2108, 3206, 3689, 3844, 3893, 4216, 6412, 6727, 7099, 7378, 7688, 7786, 12824, 13454, 14198, 14756, 15572, 16337, 26908, 27251, 28396, 29512, 31144, 32674, 49693, 53816, 54502, 56792, 65348, 99386, 109004, 114359, 120683, 130696, 198772, 218008, 220069, 228718, 241366, 397544, 440138, 457436, 482732, 844781, 880276, 914872, 965464, 1540483, 1689562, 1760552, 3080966, 3379124, 3741173, 6161932, 6758248, 7482346, 12323864, 14964692, 26188211, 29929384, 52376422, 104752844, 209505688]

約数ペア:

[(1, 209505688), (2, 104752844), (4, 52376422), (7, 29929384), (8, 26188211), (14, 14964692), (17, 12323864), (28, 7482346), (31, 6758248), (34, 6161932), (56, 3741173), (62, 3379124), (68, 3080966), (119, 1760552), (124, 1689562), (136, 1540483), (217, 965464), (229, 914872), (238, 880276), (248, 844781), (434, 482732), (458, 457436), (476, 440138), (527, 397544), (868, 241366), (916, 228718), (952, 220069), (961, 218008), (1054, 198772), (1603, 130696), (1736, 120683), (1832, 114359), (1922, 109004), (2108, 99386), (3206, 65348), (3689, 56792), (3844, 54502), (3893, 53816), (4216, 49693), (6412, 32674), (6727, 31144), (7099, 29512), (7378, 28396), (7688, 27251), (7786, 26908), (12824, 16337), (13454, 15572), (14198, 14756)]