161995878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 400308480

約数和(自身を除く): 238312602

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 53, 66, 86, 99, 106, 129, 159, 198, 258, 318, 359, 387, 473, 477, 583, 718, 774, 946, 954, 1077, 1166, 1419, 1749, 2154, 2279, 2838, 3231, 3498, 3949, 4257, 4558, 5247, 6462, 6837, 7898, 8514, 10494, 11847, 13674, 15437, 19027, 20511, 23694, 25069, 30874, 35541, 38054, 41022, 46311, 50138, 57081, 71082, 75207, 92622, 114162, 138933, 150414, 169807, 171243, 209297, 225621, 277866, 339614, 342486, 418594, 451242, 509421, 627891, 818161, 1018842, 1255782, 1528263, 1636322, 1883673, 2454483, 3056526, 3767346, 4908966, 7363449, 8999771, 14726898, 17999542, 26999313, 53998626, 80997939, 161995878]

約数ペア:

[(1, 161995878), (2, 80997939), (3, 53998626), (6, 26999313), (9, 17999542), (11, 14726898), (18, 8999771), (22, 7363449), (33, 4908966), (43, 3767346), (53, 3056526), (66, 2454483), (86, 1883673), (99, 1636322), (106, 1528263), (129, 1255782), (159, 1018842), (198, 818161), (258, 627891), (318, 509421), (359, 451242), (387, 418594), (473, 342486), (477, 339614), (583, 277866), (718, 225621), (774, 209297), (946, 171243), (954, 169807), (1077, 150414), (1166, 138933), (1419, 114162), (1749, 92622), (2154, 75207), (2279, 71082), (2838, 57081), (3231, 50138), (3498, 46311), (3949, 41022), (4257, 38054), (4558, 35541), (5247, 30874), (6462, 25069), (6837, 23694), (7898, 20511), (8514, 19027), (10494, 15437), (11847, 13674)]