31981712

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 90

約数和(自身を含む): 76747878

約数和(自身を除く): 44766166

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 113, 133, 152, 196, 226, 266, 304, 361, 392, 452, 532, 722, 784, 791, 904, 931, 1064, 1444, 1582, 1808, 1862, 2128, 2147, 2527, 2888, 3164, 3724, 4294, 5054, 5537, 5776, 6328, 7448, 8588, 10108, 11074, 12656, 14896, 15029, 17176, 17689, 20216, 22148, 30058, 34352, 35378, 40432, 40793, 44296, 60116, 70756, 81586, 88592, 105203, 120232, 141512, 163172, 210406, 240464, 283024, 285551, 326344, 420812, 571102, 652688, 841624, 1142204, 1683248, 1998857, 2284408, 3997714, 4568816, 7995428, 15990856, 31981712]

約数ペア:

[(1, 31981712), (2, 15990856), (4, 7995428), (7, 4568816), (8, 3997714), (14, 2284408), (16, 1998857), (19, 1683248), (28, 1142204), (38, 841624), (49, 652688), (56, 571102), (76, 420812), (98, 326344), (112, 285551), (113, 283024), (133, 240464), (152, 210406), (196, 163172), (226, 141512), (266, 120232), (304, 105203), (361, 88592), (392, 81586), (452, 70756), (532, 60116), (722, 44296), (784, 40793), (791, 40432), (904, 35378), (931, 34352), (1064, 30058), (1444, 22148), (1582, 20216), (1808, 17689), (1862, 17176), (2128, 15029), (2147, 14896), (2527, 12656), (2888, 11074), (3164, 10108), (3724, 8588), (4294, 7448), (5054, 6328), (5537, 5776)]