991299008

素因数分解:

$2^6\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 168

約数和(自身を含む): 2446202880

約数和(自身を除く): 1454903872

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 127, 131, 133, 152, 196, 224, 254, 262, 266, 304, 392, 448, 508, 524, 532, 608, 784, 889, 917, 931, 1016, 1048, 1064, 1216, 1568, 1778, 1834, 1862, 2032, 2096, 2128, 2413, 2489, 3136, 3556, 3668, 3724, 4064, 4192, 4256, 4826, 4978, 6223, 6419, 7112, 7336, 7448, 8128, 8384, 8512, 9652, 9956, 12446, 12838, 14224, 14672, 14896, 16637, 16891, 17423, 19304, 19912, 24892, 25676, 28448, 29344, 29792, 33274, 33782, 34846, 38608, 39824, 49784, 51352, 56896, 58688, 59584, 66548, 67564, 69692, 77216, 79648, 99568, 102704, 116459, 118237, 121961, 133096, 135128, 139384, 154432, 159296, 199136, 205408, 232918, 236474, 243922, 266192, 270256, 278768, 316103, 398272, 410816, 465836, 472948, 487844, 532384, 540512, 557536, 632206, 815213, 931672, 945896, 975688, 1064768, 1081024, 1115072, 1264412, 1630426, 1863344, 1891792, 1951376, 2212721, 2528824, 3260852, 3726688, 3783584, 3902752, 4425442, 5057648, 6521704, 7453376, 7567168, 7805504, 8850884, 10115296, 13043408, 15489047, 17701768, 20230592, 26086816, 30978094, 35403536, 52173632, 61956188, 70807072, 123912376, 141614144, 247824752, 495649504, 991299008]

約数ペア:

[(1, 991299008), (2, 495649504), (4, 247824752), (7, 141614144), (8, 123912376), (14, 70807072), (16, 61956188), (19, 52173632), (28, 35403536), (32, 30978094), (38, 26086816), (49, 20230592), (56, 17701768), (64, 15489047), (76, 13043408), (98, 10115296), (112, 8850884), (127, 7805504), (131, 7567168), (133, 7453376), (152, 6521704), (196, 5057648), (224, 4425442), (254, 3902752), (262, 3783584), (266, 3726688), (304, 3260852), (392, 2528824), (448, 2212721), (508, 1951376), (524, 1891792), (532, 1863344), (608, 1630426), (784, 1264412), (889, 1115072), (917, 1081024), (931, 1064768), (1016, 975688), (1048, 945896), (1064, 931672), (1216, 815213), (1568, 632206), (1778, 557536), (1834, 540512), (1862, 532384), (2032, 487844), (2096, 472948), (2128, 465836), (2413, 410816), (2489, 398272), (3136, 316103), (3556, 278768), (3668, 270256), (3724, 266192), (4064, 243922), (4192, 236474), (4256, 232918), (4826, 205408), (4978, 199136), (6223, 159296), (6419, 154432), (7112, 139384), (7336, 135128), (7448, 133096), (8128, 121961), (8384, 118237), (8512, 116459), (9652, 102704), (9956, 99568), (12446, 79648), (12838, 77216), (14224, 69692), (14672, 67564), (14896, 66548), (16637, 59584), (16891, 58688), (17423, 56896), (19304, 51352), (19912, 49784), (24892, 39824), (25676, 38608), (28448, 34846), (29344, 33782), (29792, 33274)]