261111136

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1404

約数の個数: 96

約数和(自身を含む): 618444288

約数和(自身を除く): 357333152

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 43, 44, 52, 86, 88, 104, 143, 172, 176, 208, 286, 344, 352, 416, 473, 559, 572, 688, 946, 1118, 1144, 1327, 1376, 1892, 2236, 2288, 2654, 3784, 4472, 4576, 5308, 6149, 7568, 8944, 10616, 12298, 14597, 15136, 17251, 17888, 21232, 24596, 29194, 34502, 42464, 49192, 57061, 58388, 69004, 98384, 114122, 116776, 138008, 189761, 196768, 228244, 233552, 276016, 379522, 456488, 467104, 552032, 627671, 741793, 759044, 912976, 1255342, 1483586, 1518088, 1825952, 2510684, 2967172, 3036176, 5021368, 5934344, 6072352, 8159723, 10042736, 11868688, 16319446, 20085472, 23737376, 32638892, 65277784, 130555568, 261111136]

約数ペア:

[(1, 261111136), (2, 130555568), (4, 65277784), (8, 32638892), (11, 23737376), (13, 20085472), (16, 16319446), (22, 11868688), (26, 10042736), (32, 8159723), (43, 6072352), (44, 5934344), (52, 5021368), (86, 3036176), (88, 2967172), (104, 2510684), (143, 1825952), (172, 1518088), (176, 1483586), (208, 1255342), (286, 912976), (344, 759044), (352, 741793), (416, 627671), (473, 552032), (559, 467104), (572, 456488), (688, 379522), (946, 276016), (1118, 233552), (1144, 228244), (1327, 196768), (1376, 189761), (1892, 138008), (2236, 116776), (2288, 114122), (2654, 98384), (3784, 69004), (4472, 58388), (4576, 57061), (5308, 49192), (6149, 42464), (7568, 34502), (8944, 29194), (10616, 24596), (12298, 21232), (14597, 17888), (15136, 17251)]