131323402

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 254119680

約数和(自身を除く): 122796278

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 113, 119, 133, 226, 238, 257, 266, 323, 514, 646, 791, 1582, 1799, 1921, 2147, 2261, 3598, 3842, 4294, 4369, 4522, 4883, 8738, 9766, 13447, 15029, 26894, 29041, 30058, 30583, 34181, 36499, 58082, 61166, 68362, 72998, 83011, 166022, 203287, 255493, 406574, 493697, 510986, 551779, 581077, 987394, 1103558, 1162154, 3455879, 3862453, 6911758, 7724906, 9380243, 18760486, 65661701, 131323402]

約数ペア:

[(1, 131323402), (2, 65661701), (7, 18760486), (14, 9380243), (17, 7724906), (19, 6911758), (34, 3862453), (38, 3455879), (113, 1162154), (119, 1103558), (133, 987394), (226, 581077), (238, 551779), (257, 510986), (266, 493697), (323, 406574), (514, 255493), (646, 203287), (791, 166022), (1582, 83011), (1799, 72998), (1921, 68362), (2147, 61166), (2261, 58082), (3598, 36499), (3842, 34181), (4294, 30583), (4369, 30058), (4522, 29041), (4883, 26894), (8738, 15029), (9766, 13447)]