66719792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 143428320

約数和(自身を除く): 76708528

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 53, 76, 82, 101, 106, 152, 164, 202, 212, 304, 328, 404, 424, 656, 779, 808, 848, 1007, 1558, 1616, 1919, 2014, 2173, 3116, 3838, 4028, 4141, 4346, 5353, 6232, 7676, 8056, 8282, 8692, 10706, 12464, 15352, 16112, 16564, 17384, 21412, 30704, 33128, 34768, 41287, 42824, 66256, 78679, 82574, 85648, 101707, 157358, 165148, 203414, 219473, 314716, 330296, 406828, 438946, 629432, 660592, 813656, 877892, 1258864, 1627312, 1755784, 3511568, 4169987, 8339974, 16679948, 33359896, 66719792]

約数ペア:

[(1, 66719792), (2, 33359896), (4, 16679948), (8, 8339974), (16, 4169987), (19, 3511568), (38, 1755784), (41, 1627312), (53, 1258864), (76, 877892), (82, 813656), (101, 660592), (106, 629432), (152, 438946), (164, 406828), (202, 330296), (212, 314716), (304, 219473), (328, 203414), (404, 165148), (424, 157358), (656, 101707), (779, 85648), (808, 82574), (848, 78679), (1007, 66256), (1558, 42824), (1616, 41287), (1919, 34768), (2014, 33128), (2173, 30704), (3116, 21412), (3838, 17384), (4028, 16564), (4141, 16112), (4346, 15352), (5353, 12464), (6232, 10706), (7676, 8692), (8056, 8282)]