199917978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2459

約数の個数: 64

約数和(自身を含む): 459067392

約数和(自身を除く): 259149414

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 47, 69, 78, 94, 138, 141, 282, 299, 598, 611, 897, 1081, 1222, 1794, 1833, 2162, 2371, 3243, 3666, 4742, 6486, 7113, 14053, 14226, 28106, 30823, 42159, 54533, 61646, 84318, 92469, 109066, 111437, 163599, 184938, 222874, 327198, 334311, 668622, 708929, 1417858, 1448681, 2126787, 2563051, 2897362, 4253574, 4346043, 5126102, 7689153, 8692086, 15378306, 33319663, 66639326, 99958989, 199917978]

約数ペア:

[(1, 199917978), (2, 99958989), (3, 66639326), (6, 33319663), (13, 15378306), (23, 8692086), (26, 7689153), (39, 5126102), (46, 4346043), (47, 4253574), (69, 2897362), (78, 2563051), (94, 2126787), (138, 1448681), (141, 1417858), (282, 708929), (299, 668622), (598, 334311), (611, 327198), (897, 222874), (1081, 184938), (1222, 163599), (1794, 111437), (1833, 109066), (2162, 92469), (2371, 84318), (3243, 61646), (3666, 54533), (4742, 42159), (6486, 30823), (7113, 28106), (14053, 14226)]