209214516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{929}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 569963520

約数和(自身を除く): 360749004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 383, 588, 766, 929, 1149, 1532, 1858, 2298, 2681, 2787, 3716, 4596, 5362, 5574, 6503, 8043, 10724, 11148, 13006, 16086, 18767, 19509, 26012, 32172, 37534, 39018, 45521, 56301, 75068, 78036, 91042, 112602, 136563, 182084, 225204, 273126, 355807, 546252, 711614, 1067421, 1423228, 2134842, 2490649, 4269684, 4981298, 7471947, 9962596, 14943894, 17434543, 29887788, 34869086, 52303629, 69738172, 104607258, 209214516]

約数ペア:

[(1, 209214516), (2, 104607258), (3, 69738172), (4, 52303629), (6, 34869086), (7, 29887788), (12, 17434543), (14, 14943894), (21, 9962596), (28, 7471947), (42, 4981298), (49, 4269684), (84, 2490649), (98, 2134842), (147, 1423228), (196, 1067421), (294, 711614), (383, 546252), (588, 355807), (766, 273126), (929, 225204), (1149, 182084), (1532, 136563), (1858, 112602), (2298, 91042), (2681, 78036), (2787, 75068), (3716, 56301), (4596, 45521), (5362, 39018), (5574, 37534), (6503, 32172), (8043, 26012), (10724, 19509), (11148, 18767), (13006, 16086)]