51916592

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 125116992

約数和(自身を除く): 73200400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 181, 182, 197, 208, 362, 364, 394, 724, 728, 788, 1267, 1379, 1448, 1456, 1576, 2353, 2534, 2561, 2758, 2896, 3152, 4706, 5068, 5122, 5516, 9412, 10136, 10244, 11032, 16471, 17927, 18824, 20272, 20488, 22064, 32942, 35657, 35854, 37648, 40976, 65884, 71314, 71708, 131768, 142628, 143416, 249599, 263536, 285256, 286832, 463541, 499198, 570512, 927082, 998396, 1854164, 1996792, 3244787, 3708328, 3993584, 6489574, 7416656, 12979148, 25958296, 51916592]

約数ペア:

[(1, 51916592), (2, 25958296), (4, 12979148), (7, 7416656), (8, 6489574), (13, 3993584), (14, 3708328), (16, 3244787), (26, 1996792), (28, 1854164), (52, 998396), (56, 927082), (91, 570512), (104, 499198), (112, 463541), (181, 286832), (182, 285256), (197, 263536), (208, 249599), (362, 143416), (364, 142628), (394, 131768), (724, 71708), (728, 71314), (788, 65884), (1267, 40976), (1379, 37648), (1448, 35854), (1456, 35657), (1576, 32942), (2353, 22064), (2534, 20488), (2561, 20272), (2758, 18824), (2896, 17927), (3152, 16471), (4706, 11032), (5068, 10244), (5122, 10136), (5516, 9412)]