263116672

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 659736000

約数和(自身を除く): 396619328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 343, 364, 392, 416, 448, 461, 637, 686, 728, 784, 832, 896, 922, 1274, 1372, 1456, 1568, 1664, 1844, 2548, 2744, 2912, 3136, 3227, 3688, 4459, 5096, 5488, 5824, 5993, 6272, 6454, 7376, 8918, 10192, 10976, 11648, 11986, 12908, 14752, 17836, 20384, 21952, 22589, 23972, 25816, 29504, 35672, 40768, 41951, 43904, 45178, 47944, 51632, 59008, 71344, 81536, 83902, 90356, 95888, 103264, 142688, 158123, 167804, 180712, 191776, 206528, 285376, 293657, 316246, 335608, 361424, 383552, 413056, 570752, 587314, 632492, 671216, 722848, 767104, 1174628, 1264984, 1342432, 1445696, 2055599, 2349256, 2529968, 2684864, 2891392, 4111198, 4698512, 5059936, 5369728, 8222396, 9397024, 10119872, 16444792, 18794048, 20239744, 32889584, 37588096, 65779168, 131558336, 263116672]

約数ペア:

[(1, 263116672), (2, 131558336), (4, 65779168), (7, 37588096), (8, 32889584), (13, 20239744), (14, 18794048), (16, 16444792), (26, 10119872), (28, 9397024), (32, 8222396), (49, 5369728), (52, 5059936), (56, 4698512), (64, 4111198), (91, 2891392), (98, 2684864), (104, 2529968), (112, 2349256), (128, 2055599), (182, 1445696), (196, 1342432), (208, 1264984), (224, 1174628), (343, 767104), (364, 722848), (392, 671216), (416, 632492), (448, 587314), (461, 570752), (637, 413056), (686, 383552), (728, 361424), (784, 335608), (832, 316246), (896, 293657), (922, 285376), (1274, 206528), (1372, 191776), (1456, 180712), (1568, 167804), (1664, 158123), (1844, 142688), (2548, 103264), (2744, 95888), (2912, 90356), (3136, 83902), (3227, 81536), (3688, 71344), (4459, 59008), (5096, 51632), (5488, 47944), (5824, 45178), (5993, 43904), (6272, 41951), (6454, 40768), (7376, 35672), (8918, 29504), (10192, 25816), (10976, 23972), (11648, 22589), (11986, 21952), (12908, 20384), (14752, 17836)]