218612992

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 490756224

約数和(自身を除く): 272143232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 163, 169, 208, 248, 256, 326, 338, 403, 416, 496, 652, 676, 806, 832, 992, 1304, 1352, 1612, 1664, 1984, 2119, 2608, 2704, 3224, 3328, 3968, 4238, 5053, 5216, 5239, 5408, 6448, 7936, 8476, 10106, 10432, 10478, 10816, 12896, 16952, 20212, 20864, 20956, 21632, 25792, 27547, 33904, 40424, 41728, 41912, 43264, 51584, 55094, 65689, 67808, 80848, 83824, 103168, 110188, 131378, 135616, 161696, 167648, 220376, 262756, 271232, 323392, 335296, 440752, 525512, 542464, 646784, 670592, 853957, 881504, 1051024, 1293568, 1341184, 1707914, 1763008, 2102048, 3415828, 3526016, 4204096, 6831656, 7052032, 8408192, 13663312, 16816384, 27326624, 54653248, 109306496, 218612992]

約数ペア:

[(1, 218612992), (2, 109306496), (4, 54653248), (8, 27326624), (13, 16816384), (16, 13663312), (26, 8408192), (31, 7052032), (32, 6831656), (52, 4204096), (62, 3526016), (64, 3415828), (104, 2102048), (124, 1763008), (128, 1707914), (163, 1341184), (169, 1293568), (208, 1051024), (248, 881504), (256, 853957), (326, 670592), (338, 646784), (403, 542464), (416, 525512), (496, 440752), (652, 335296), (676, 323392), (806, 271232), (832, 262756), (992, 220376), (1304, 167648), (1352, 161696), (1612, 135616), (1664, 131378), (1984, 110188), (2119, 103168), (2608, 83824), (2704, 80848), (3224, 67808), (3328, 65689), (3968, 55094), (4238, 51584), (5053, 43264), (5216, 41912), (5239, 41728), (5408, 40424), (6448, 33904), (7936, 27547), (8476, 25792), (10106, 21632), (10432, 20956), (10478, 20864), (10816, 20212), (12896, 16952)]