814501376

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1659

約数の個数: 80

約数和(自身を含む): 1775928000

約数和(自身を除く): 961426624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 256, 316, 416, 512, 632, 832, 1027, 1264, 1549, 1664, 2054, 2528, 3098, 3328, 4108, 5056, 6196, 6656, 8216, 10112, 12392, 16432, 20137, 20224, 24784, 32864, 40274, 40448, 49568, 65728, 80548, 99136, 122371, 131456, 161096, 198272, 244742, 262912, 322192, 396544, 489484, 525824, 644384, 793088, 978968, 1288768, 1590823, 1957936, 2577536, 3181646, 3915872, 5155072, 6363292, 7831744, 10310144, 12726584, 15663488, 25453168, 31326976, 50906336, 62653952, 101812672, 203625344, 407250688, 814501376]

約数ペア:

[(1, 814501376), (2, 407250688), (4, 203625344), (8, 101812672), (13, 62653952), (16, 50906336), (26, 31326976), (32, 25453168), (52, 15663488), (64, 12726584), (79, 10310144), (104, 7831744), (128, 6363292), (158, 5155072), (208, 3915872), (256, 3181646), (316, 2577536), (416, 1957936), (512, 1590823), (632, 1288768), (832, 978968), (1027, 793088), (1264, 644384), (1549, 525824), (1664, 489484), (2054, 396544), (2528, 322192), (3098, 262912), (3328, 244742), (4108, 198272), (5056, 161096), (6196, 131456), (6656, 122371), (8216, 99136), (10112, 80548), (12392, 65728), (16432, 49568), (20137, 40448), (20224, 40274), (24784, 32864)]