81989776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 186684480

約数和(自身を除く): 104694704

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 67, 68, 88, 134, 136, 176, 187, 268, 272, 374, 409, 536, 737, 748, 818, 1072, 1139, 1474, 1496, 1636, 2278, 2948, 2992, 3272, 4499, 4556, 5896, 6544, 6953, 8998, 9112, 11792, 12529, 13906, 17996, 18224, 25058, 27403, 27812, 35992, 50116, 54806, 55624, 71984, 76483, 100232, 109612, 111248, 152966, 200464, 219224, 301433, 305932, 438448, 465851, 602866, 611864, 931702, 1205732, 1223728, 1863404, 2411464, 3726808, 4822928, 5124361, 7453616, 10248722, 20497444, 40994888, 81989776]

約数ペア:

[(1, 81989776), (2, 40994888), (4, 20497444), (8, 10248722), (11, 7453616), (16, 5124361), (17, 4822928), (22, 3726808), (34, 2411464), (44, 1863404), (67, 1223728), (68, 1205732), (88, 931702), (134, 611864), (136, 602866), (176, 465851), (187, 438448), (268, 305932), (272, 301433), (374, 219224), (409, 200464), (536, 152966), (737, 111248), (748, 109612), (818, 100232), (1072, 76483), (1139, 71984), (1474, 55624), (1496, 54806), (1636, 50116), (2278, 35992), (2948, 27812), (2992, 27403), (3272, 25058), (4499, 18224), (4556, 17996), (5896, 13906), (6544, 12529), (6953, 11792), (8998, 9112)]