51342928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 123742080

約数和(自身を除く): 72399152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 179, 182, 197, 208, 358, 364, 394, 716, 728, 788, 1253, 1379, 1432, 1456, 1576, 2327, 2506, 2561, 2758, 2864, 3152, 4654, 5012, 5122, 5516, 9308, 10024, 10244, 11032, 16289, 17927, 18616, 20048, 20488, 22064, 32578, 35263, 35854, 37232, 40976, 65156, 70526, 71708, 130312, 141052, 143416, 246841, 260624, 282104, 286832, 458419, 493682, 564208, 916838, 987364, 1833676, 1974728, 3208933, 3667352, 3949456, 6417866, 7334704, 12835732, 25671464, 51342928]

約数ペア:

[(1, 51342928), (2, 25671464), (4, 12835732), (7, 7334704), (8, 6417866), (13, 3949456), (14, 3667352), (16, 3208933), (26, 1974728), (28, 1833676), (52, 987364), (56, 916838), (91, 564208), (104, 493682), (112, 458419), (179, 286832), (182, 282104), (197, 260624), (208, 246841), (358, 143416), (364, 141052), (394, 130312), (716, 71708), (728, 70526), (788, 65156), (1253, 40976), (1379, 37232), (1432, 35854), (1456, 35263), (1576, 32578), (2327, 22064), (2506, 20488), (2561, 20048), (2758, 18616), (2864, 17927), (3152, 16289), (4654, 11032), (5012, 10244), (5122, 10024), (5516, 9308)]