213178644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6661}}^1$

素因数の和:6805

約数の個数: 72

約数和(自身を含む): 620791808

約数和(自身を除く): 407613164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4572, 5334, 6661, 8001, 10668, 13322, 16002, 19983, 26644, 32004, 39966, 46627, 59949, 79932, 93254, 119898, 139881, 186508, 239796, 279762, 419643, 559524, 839286, 845947, 1678572, 1691894, 2537841, 3383788, 5075682, 5921629, 7613523, 10151364, 11843258, 15227046, 17764887, 23686516, 30454092, 35529774, 53294661, 71059548, 106589322, 213178644]

約数ペア:

[(1, 213178644), (2, 106589322), (3, 71059548), (4, 53294661), (6, 35529774), (7, 30454092), (9, 23686516), (12, 17764887), (14, 15227046), (18, 11843258), (21, 10151364), (28, 7613523), (36, 5921629), (42, 5075682), (63, 3383788), (84, 2537841), (126, 1691894), (127, 1678572), (252, 845947), (254, 839286), (381, 559524), (508, 419643), (762, 279762), (889, 239796), (1143, 186508), (1524, 139881), (1778, 119898), (2286, 93254), (2667, 79932), (3556, 59949), (4572, 46627), (5334, 39966), (6661, 32004), (8001, 26644), (10668, 19983), (13322, 16002)]