212709252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^2\times {\mathrm{157}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 575367744

約数和(自身を除く): 362658492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 157, 254, 314, 381, 471, 508, 628, 762, 889, 942, 1099, 1524, 1778, 1884, 2198, 2667, 3297, 3556, 4396, 5334, 6594, 10668, 13188, 16129, 19939, 32258, 39878, 48387, 59817, 64516, 79756, 96774, 112903, 119634, 139573, 193548, 225806, 239268, 279146, 338709, 418719, 451612, 558292, 677418, 837438, 1354836, 1674876, 2532253, 5064506, 7596759, 10129012, 15193518, 17725771, 30387036, 35451542, 53177313, 70903084, 106354626, 212709252]

約数ペア:

[(1, 212709252), (2, 106354626), (3, 70903084), (4, 53177313), (6, 35451542), (7, 30387036), (12, 17725771), (14, 15193518), (21, 10129012), (28, 7596759), (42, 5064506), (84, 2532253), (127, 1674876), (157, 1354836), (254, 837438), (314, 677418), (381, 558292), (471, 451612), (508, 418719), (628, 338709), (762, 279146), (889, 239268), (942, 225806), (1099, 193548), (1524, 139573), (1778, 119634), (1884, 112903), (2198, 96774), (2667, 79756), (3297, 64516), (3556, 59817), (4396, 48387), (5334, 39878), (6594, 32258), (10668, 19939), (13188, 16129)]