205771808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 473231808

約数和(自身を除く): 267460000

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 137, 176, 187, 251, 272, 274, 352, 374, 502, 544, 548, 748, 1004, 1096, 1496, 1507, 2008, 2192, 2329, 2761, 2992, 3014, 4016, 4267, 4384, 4658, 5522, 5984, 6028, 8032, 8534, 9316, 11044, 12056, 17068, 18632, 22088, 24112, 25619, 34136, 34387, 37264, 44176, 46937, 48224, 51238, 68272, 68774, 74528, 88352, 93874, 102476, 136544, 137548, 187748, 204952, 275096, 375496, 378257, 409904, 550192, 584579, 750992, 756514, 819808, 1100384, 1169158, 1501984, 1513028, 2338316, 3026056, 4676632, 6052112, 6430369, 9353264, 12104224, 12860738, 18706528, 25721476, 51442952, 102885904, 205771808]

約数ペア:

[(1, 205771808), (2, 102885904), (4, 51442952), (8, 25721476), (11, 18706528), (16, 12860738), (17, 12104224), (22, 9353264), (32, 6430369), (34, 6052112), (44, 4676632), (68, 3026056), (88, 2338316), (136, 1513028), (137, 1501984), (176, 1169158), (187, 1100384), (251, 819808), (272, 756514), (274, 750992), (352, 584579), (374, 550192), (502, 409904), (544, 378257), (548, 375496), (748, 275096), (1004, 204952), (1096, 187748), (1496, 137548), (1507, 136544), (2008, 102476), (2192, 93874), (2329, 88352), (2761, 74528), (2992, 68774), (3014, 68272), (4016, 51238), (4267, 48224), (4384, 46937), (4658, 44176), (5522, 37264), (5984, 34387), (6028, 34136), (8032, 25619), (8534, 24112), (9316, 22088), (11044, 18632), (12056, 17068)]