81887936

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 84

約数和(自身を含む): 180164232

約数和(自身を除く): 98276296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 113, 134, 169, 208, 226, 268, 338, 416, 452, 536, 676, 832, 871, 904, 1072, 1352, 1469, 1742, 1808, 2144, 2704, 2938, 3484, 3616, 4288, 5408, 5876, 6968, 7232, 7571, 10816, 11323, 11752, 13936, 15142, 19097, 22646, 23504, 27872, 30284, 38194, 45292, 47008, 55744, 60568, 76388, 90584, 94016, 98423, 121136, 152776, 181168, 196846, 242272, 305552, 362336, 393692, 484544, 611104, 724672, 787384, 1222208, 1279499, 1574768, 2558998, 3149536, 5117996, 6299072, 10235992, 20471984, 40943968, 81887936]

約数ペア:

[(1, 81887936), (2, 40943968), (4, 20471984), (8, 10235992), (13, 6299072), (16, 5117996), (26, 3149536), (32, 2558998), (52, 1574768), (64, 1279499), (67, 1222208), (104, 787384), (113, 724672), (134, 611104), (169, 484544), (208, 393692), (226, 362336), (268, 305552), (338, 242272), (416, 196846), (452, 181168), (536, 152776), (676, 121136), (832, 98423), (871, 94016), (904, 90584), (1072, 76388), (1352, 60568), (1469, 55744), (1742, 47008), (1808, 45292), (2144, 38194), (2704, 30284), (2938, 27872), (3484, 23504), (3616, 22646), (4288, 19097), (5408, 15142), (5876, 13936), (6968, 11752), (7232, 11323), (7571, 10816)]