216278816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{541}}^1$

素因数の和:626

約数の個数: 72

約数和(自身を含む): 474697692

約数和(自身を除く): 258418876

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 541, 806, 961, 992, 1082, 1612, 1922, 2164, 3224, 3844, 4328, 6448, 7033, 7688, 8656, 12493, 12896, 14066, 15376, 16771, 17312, 24986, 28132, 30752, 33542, 49972, 56264, 67084, 99944, 112528, 134168, 199888, 218023, 225056, 268336, 399776, 436046, 519901, 536672, 872092, 1039802, 1744184, 2079604, 3488368, 4159208, 6758713, 6976736, 8318416, 13517426, 16636832, 27034852, 54069704, 108139408, 216278816]

約数ペア:

[(1, 216278816), (2, 108139408), (4, 54069704), (8, 27034852), (13, 16636832), (16, 13517426), (26, 8318416), (31, 6976736), (32, 6758713), (52, 4159208), (62, 3488368), (104, 2079604), (124, 1744184), (208, 1039802), (248, 872092), (403, 536672), (416, 519901), (496, 436046), (541, 399776), (806, 268336), (961, 225056), (992, 218023), (1082, 199888), (1612, 134168), (1922, 112528), (2164, 99944), (3224, 67084), (3844, 56264), (4328, 49972), (6448, 33542), (7033, 30752), (7688, 28132), (8656, 24986), (12493, 17312), (12896, 16771), (14066, 15376)]