251608336

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 604723200

約数和(自身を除く): 353114864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 127, 133, 152, 196, 254, 266, 304, 343, 361, 392, 508, 532, 686, 722, 784, 889, 931, 1016, 1064, 1372, 1444, 1778, 1862, 2032, 2128, 2413, 2527, 2744, 2888, 3556, 3724, 4826, 5054, 5488, 5776, 6223, 6517, 7112, 7448, 9652, 10108, 12446, 13034, 14224, 14896, 16891, 17689, 19304, 20216, 24892, 26068, 33782, 35378, 38608, 40432, 43561, 45847, 49784, 52136, 67564, 70756, 87122, 91694, 99568, 104272, 118237, 123823, 135128, 141512, 174244, 183388, 236474, 247646, 270256, 283024, 320929, 348488, 366776, 472948, 495292, 641858, 696976, 733552, 827659, 945896, 990584, 1283716, 1655318, 1891792, 1981168, 2246503, 2567432, 3310636, 4493006, 5134864, 6621272, 8986012, 13242544, 15725521, 17972024, 31451042, 35944048, 62902084, 125804168, 251608336]

約数ペア:

[(1, 251608336), (2, 125804168), (4, 62902084), (7, 35944048), (8, 31451042), (14, 17972024), (16, 15725521), (19, 13242544), (28, 8986012), (38, 6621272), (49, 5134864), (56, 4493006), (76, 3310636), (98, 2567432), (112, 2246503), (127, 1981168), (133, 1891792), (152, 1655318), (196, 1283716), (254, 990584), (266, 945896), (304, 827659), (343, 733552), (361, 696976), (392, 641858), (508, 495292), (532, 472948), (686, 366776), (722, 348488), (784, 320929), (889, 283024), (931, 270256), (1016, 247646), (1064, 236474), (1372, 183388), (1444, 174244), (1778, 141512), (1862, 135128), (2032, 123823), (2128, 118237), (2413, 104272), (2527, 99568), (2744, 91694), (2888, 87122), (3556, 70756), (3724, 67564), (4826, 52136), (5054, 49784), (5488, 45847), (5776, 43561), (6223, 40432), (6517, 38608), (7112, 35378), (7448, 33782), (9652, 26068), (10108, 24892), (12446, 20216), (13034, 19304), (14224, 17689), (14896, 16891)]