138978112

素因数分解:

$2^6\times 7^3\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 112

約数和(自身を含む): 347065600

約数和(自身を除く): 208087488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 343, 364, 392, 416, 448, 487, 637, 686, 728, 784, 832, 974, 1274, 1372, 1456, 1568, 1948, 2548, 2744, 2912, 3136, 3409, 3896, 4459, 5096, 5488, 5824, 6331, 6818, 7792, 8918, 10192, 10976, 12662, 13636, 15584, 17836, 20384, 21952, 23863, 25324, 27272, 31168, 35672, 40768, 44317, 47726, 50648, 54544, 71344, 88634, 95452, 101296, 109088, 142688, 167041, 177268, 190904, 202592, 218176, 285376, 310219, 334082, 354536, 381808, 405184, 620438, 668164, 709072, 763616, 1240876, 1336328, 1418144, 1527232, 2171533, 2481752, 2672656, 2836288, 4343066, 4963504, 5345312, 8686132, 9927008, 10690624, 17372264, 19854016, 34744528, 69489056, 138978112]

約数ペア:

[(1, 138978112), (2, 69489056), (4, 34744528), (7, 19854016), (8, 17372264), (13, 10690624), (14, 9927008), (16, 8686132), (26, 5345312), (28, 4963504), (32, 4343066), (49, 2836288), (52, 2672656), (56, 2481752), (64, 2171533), (91, 1527232), (98, 1418144), (104, 1336328), (112, 1240876), (182, 763616), (196, 709072), (208, 668164), (224, 620438), (343, 405184), (364, 381808), (392, 354536), (416, 334082), (448, 310219), (487, 285376), (637, 218176), (686, 202592), (728, 190904), (784, 177268), (832, 167041), (974, 142688), (1274, 109088), (1372, 101296), (1456, 95452), (1568, 88634), (1948, 71344), (2548, 54544), (2744, 50648), (2912, 47726), (3136, 44317), (3409, 40768), (3896, 35672), (4459, 31168), (5096, 27272), (5488, 25324), (5824, 23863), (6331, 21952), (6818, 20384), (7792, 17836), (8918, 15584), (10192, 13636), (10976, 12662)]