213864784

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1987}}^1$

素因数の和:2064

約数の個数: 60

約数和(自身を含む): 489572832

約数和(自身を除く): 275708048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 961, 1736, 1922, 1987, 3472, 3844, 3974, 6727, 7688, 7948, 13454, 13909, 15376, 15896, 26908, 27818, 31792, 53816, 55636, 61597, 107632, 111272, 123194, 222544, 246388, 431179, 492776, 862358, 985552, 1724716, 1909507, 3449432, 3819014, 6898864, 7638028, 13366549, 15276056, 26733098, 30552112, 53466196, 106932392, 213864784]

約数ペア:

[(1, 213864784), (2, 106932392), (4, 53466196), (7, 30552112), (8, 26733098), (14, 15276056), (16, 13366549), (28, 7638028), (31, 6898864), (56, 3819014), (62, 3449432), (112, 1909507), (124, 1724716), (217, 985552), (248, 862358), (434, 492776), (496, 431179), (868, 246388), (961, 222544), (1736, 123194), (1922, 111272), (1987, 107632), (3472, 61597), (3844, 55636), (3974, 53816), (6727, 31792), (7688, 27818), (7948, 26908), (13454, 15896), (13909, 15376)]