215966982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1393

約数の個数: 64

約数和(自身を含む): 540094464

約数和(自身を除く): 324127482

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 643, 727, 1286, 1454, 1929, 2181, 3858, 4362, 4501, 5089, 7073, 7997, 9002, 10178, 13503, 14146, 15267, 15994, 21219, 23991, 27006, 30534, 42438, 47982, 49511, 55979, 99022, 111958, 148533, 167937, 297066, 335874, 467461, 934922, 1402383, 2804766, 3272227, 5142071, 6544454, 9816681, 10284142, 15426213, 19633362, 30852426, 35994497, 71988994, 107983491, 215966982]

約数ペア:

[(1, 215966982), (2, 107983491), (3, 71988994), (6, 35994497), (7, 30852426), (11, 19633362), (14, 15426213), (21, 10284142), (22, 9816681), (33, 6544454), (42, 5142071), (66, 3272227), (77, 2804766), (154, 1402383), (231, 934922), (462, 467461), (643, 335874), (727, 297066), (1286, 167937), (1454, 148533), (1929, 111958), (2181, 99022), (3858, 55979), (4362, 49511), (4501, 47982), (5089, 42438), (7073, 30534), (7997, 27006), (9002, 23991), (10178, 21219), (13503, 15994), (14146, 15267)]