81815552

素因数分解:

$2^{11}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 201801600

約数和(自身を除く): 119986048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 439, 448, 512, 728, 832, 878, 896, 1024, 1456, 1664, 1756, 1792, 2048, 2912, 3073, 3328, 3512, 3584, 5707, 5824, 6146, 6656, 7024, 7168, 11414, 11648, 12292, 13312, 14048, 14336, 22828, 23296, 24584, 26624, 28096, 39949, 45656, 46592, 49168, 56192, 79898, 91312, 93184, 98336, 112384, 159796, 182624, 186368, 196672, 224768, 319592, 365248, 393344, 449536, 639184, 730496, 786688, 899072, 1278368, 1460992, 1573376, 2556736, 2921984, 3146752, 5113472, 5843968, 6293504, 10226944, 11687936, 20453888, 40907776, 81815552]

約数ペア:

[(1, 81815552), (2, 40907776), (4, 20453888), (7, 11687936), (8, 10226944), (13, 6293504), (14, 5843968), (16, 5113472), (26, 3146752), (28, 2921984), (32, 2556736), (52, 1573376), (56, 1460992), (64, 1278368), (91, 899072), (104, 786688), (112, 730496), (128, 639184), (182, 449536), (208, 393344), (224, 365248), (256, 319592), (364, 224768), (416, 196672), (439, 186368), (448, 182624), (512, 159796), (728, 112384), (832, 98336), (878, 93184), (896, 91312), (1024, 79898), (1456, 56192), (1664, 49168), (1756, 46592), (1792, 45656), (2048, 39949), (2912, 28096), (3073, 26624), (3328, 24584), (3512, 23296), (3584, 22828), (5707, 14336), (5824, 14048), (6146, 13312), (6656, 12292), (7024, 11648), (7168, 11414)]