318517684

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 616581504

約数和(自身を除く): 298063820

約数列:

[1, 2, 4, 31, 41, 43, 47, 62, 82, 86, 94, 124, 164, 172, 188, 961, 1271, 1333, 1457, 1763, 1922, 1927, 2021, 2542, 2666, 2914, 3526, 3844, 3854, 4042, 5084, 5332, 5828, 7052, 7708, 8084, 39401, 41323, 45167, 54653, 59737, 62651, 78802, 82646, 82861, 90334, 109306, 119474, 125302, 157604, 165292, 165722, 180668, 218612, 238948, 250604, 331444, 1694243, 1851847, 1942181, 2568691, 3388486, 3703694, 3884362, 5137382, 6776972, 7407388, 7768724, 10274764, 79629421, 159258842, 318517684]

約数ペア:

[(1, 318517684), (2, 159258842), (4, 79629421), (31, 10274764), (41, 7768724), (43, 7407388), (47, 6776972), (62, 5137382), (82, 3884362), (86, 3703694), (94, 3388486), (124, 2568691), (164, 1942181), (172, 1851847), (188, 1694243), (961, 331444), (1271, 250604), (1333, 238948), (1457, 218612), (1763, 180668), (1922, 165722), (1927, 165292), (2021, 157604), (2542, 125302), (2666, 119474), (2914, 109306), (3526, 90334), (3844, 82861), (3854, 82646), (4042, 78802), (5084, 62651), (5332, 59737), (5828, 54653), (7052, 45167), (7708, 41323), (8084, 39401)]